Science Buddies Water Projects

Students must pass this assignment to go on to the next. 8th grade science fair projects tend to involve the scientific method and designing an experiment and not making models or explaining processes. 7th Grade Science Fair Projects. Science Buddies also hosts a library of instructions for over 1,200 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers!. com provides the Science Fair Project Ideas for informational purposes only. With rapid increase in population, global warming and a loss of fresh water, there will soon be no free fresh water in the world. Thanks for watching. After you've conducted the experiment, you've still got to write a paper about the experiment afterward. We'll write down information, make graphs and do all kinds of cool stuff here. Baking soda. To successfully complete this cannon, pound on the drum (the plastic bag) to make air escape from the hole in the bucket. com does not make any guarantee or representation regarding the Science Fair Project Ideas and is not responsible or liable for any loss or damage, directly or indirectly, caused by your use of such information. With 10 million students from grades K-12 participating in science fairs and STEAM events every year, Science Fair Central aims to give students the tools to take their projects to the next level. Some time water dispenser can be essential things for pouring water in a bottle or a vessel. The links to each topic will take you to ScienceBuddies. Science Fair Project Ideas. We hope these resources help you introduce the importance of clean, safe water to your students. Salty Science: Floating Eggs in Water. Also, be sure to keep the water temperature as constant as possible in order to keep the experiment as consistent as possible. Typed reports and posters are the norm (sorry, no handwritten text). Educational experiments resources for teachers and classrooms on ScienceProject. This is your origin line. You can customize this kit to include the Daphnia magna culture kit, fine mesh net, pipets, and other supplies needed to complete this experiment. HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world. We've gathered all the hard-to find pieces, like plastic boxes and funnels that are just the right size, the right weight washers, a beaker, and a graduated cylinder,. Project description This project will help you learn about the effects of salt (and possibly some other chemicals) on the freezing point of water. Animal Science Fair Project Ideas. BUILD A FIZZ INFLATOR. Make Water Disappear—with the Wet-Sand Effect. You will brainstorm a list of other items to mix with oil and water, to determine if any of those items will help the original liquids mix together and stay mixed. Its hundreds of hands-on exhibits are designed to promote science discovery. com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. Electrolysis is also used in measuring devices such as the pH meter, while astronauts produce oxygen in space through the electrolysis. Water striders (also called water bugs, pond skippers, etc. The links to each topic will take you to ScienceBuddies. The project above is a DEMONSTRATION. HYPOTHESIS - Adding table salt to boiling water will cause the water to boil at a higher temperature. Kids can watch the colored water walk along paper towels and fill an empty glass. Mix 2 tablespoons of the water with 2 tablespoons of vegetable oil in a plastic bottle and shake them together. Get easy ideas from a range of topics that will help you create a first place prize winning science fair project. The latest Tweets from Science Buddies (@ScienceBuddies). Berkey Filters Science Fair Webpage. The Science Fair is often one of the most anticipated events of the school year, especially in elementary school. Get water to "walk" from one cup to another in this colorful science experiment. How can contaminated water become safe to drink? Watch a sand water filter science project video and learn about the five steps of water purification. Volcano science project is probably the most popular science fair project in the world. I used the candy mints in this experiment. Intel ISEF Resources - Useful resources for not only Intel ISEF but all science fairs. Homemade Simple Water Filter. Be careful not to boil the water, as it will evaporate too fast to do the experiment with. Saved science fair projects: This is a saved copy of the relevant third party website. Conducting science experiments isn't as hard as you think, the problem is often to come up with the idea for the project. These projects highlight. The projects are categorized by their difficulty. Choosing which project to do can often be a daunting task, but there are several that are simple enough for any grade. Science Fair Project Ideas. As the old saying (almost) goes, science starts in the home. There are a couple of ways you get science projects to glow in the dark. Learn more: Science Buddies. In this Science Buddies science project, you will investigate the disinfecting properties of sunlight. The project above is a DEMONSTRATION. In this Biotechnology Project Idea, the Science Buddies Summer Science Fellows demonstrate how to construct your own gel electrophoresis chamber, the technology behind DNA analysis, and use it to. Mint is a type of plant and is also a type of candy. com does not make any guarantee or representation regarding the Science Fair Project Ideas and is not responsible or liable for any loss or damage, directly or indirectly, caused by your use of such information. The American Dental Association or the ADA has warned people that too much soda could damage their teeth particularly their tooth enamel. Physics includes the study of material and energy as related to motions, heat, light, and force. Enjoy fun science experiments for kids that feature awesome hands-on projects and activities that help bring the exciting world of science to life. "Which Filtration Material Leads to the Best Drinking Water?" Science Buddies check out the Science Buddies science project From Contaminated to Clean:. Homemade Simple Water Filter. In this Science Buddies science project, you'll determine if sediment from parking lots contain compounds that are harmful for aquatic organisms. Animal Science Fair Project Ideas. So, if you are using 1 liter containers you can add 6 tsp of salt for a total of 36 g of salt (6 tsp x 6 g per tsp =36 g), fill the containers to the top with water (32 oz is approximately 1 liter or 1000 g), mix until all the salt is dissolved and you'll have an salt solution that is approximately 36 ppt. When 1kg of sugar is added to 5 liter of water, the water's density becomes, 1. You will need. You can also use a highlighter pen and some regular water. Bubbleology deals with exploring the properties of bubbles and why they behave like they do. Water with a high mineral count consisting mostly of calcium, magnesium, and other dissolved compounds, is "hard water". A science fair project on testing drinking water can be interesting and exciting, appropriate for any age student. You will need a large tub, either a bath tub, a cooler, or just a large pot, and you will need to fill it with hot water. com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. How much water does a person need to drink each day? Why do humans need water to survive? What processes are used to make non potable water safe for. Catch Water from the Air. Smith Consulting Services). Also, be sure to keep the water temperature as constant as possible in order to keep the experiment as consistent as possible. Material needed for this experiment can be. Explore how sugary drinks affect teeth. Download a free science fair guide to help you get started on your science fair project! Browse top-selling science fair kits from Science Buddies and HST!. You can customize this kit to include the Daphnia magna culture kit, fine mesh net, pipets, and other supplies needed to complete this experiment. Eggs sink in regular tap water, but creating a saltwater solution… that's an egg-citingly different story. Review of Literature and Bibliography. What do you think about the freezing time of water and salt water? Do some study, identify the variables and propose a hypothesis. To make it a true experiment, you can try to answer these questions: Does water temperature affect how fast the balloon fills up. Physics includes the study of material and energy as related to motions, heat, light, and force. If you are specifically thinking about making a water cycle project, the following ideas should be of some help. According to Archimedes’ principle, buoyancy depends on the amount of liquid displaced by an object. After you've conducted the experiment, you've still got to write a paper about the experiment afterward. Volcano science project is probably the most popular science fair project in the world. Whether you’re prepping for a science fair or looking to impress your class with a spectacular demonstration or two, these 6th grade science projects are sure to be winners. Science Buddies (www. Students who are interested in the environment benefit from experimenting with water from a variety of sources. Students can show off their love and knowledge of science, as well as their creativity. Plant Science Fair Project Ideas. Cut a hole into the bottom of the bucket, and then cover the bucket’s top with the plastic bag (you should stretch it tightly). A student water testing kit opens up limitless options for 8th grade science experiments. Research water based subjects and answer questions related to everything from rain to ice, drinking water, filters, drainage, moisture and more. There are two main types of fish: fresh water and salt water. Looking for inspiration for a science fair project? Science Buddies has over 1,200 Project Ideas in all areas of science. A student water testing kit opens up limitless options for 8th grade science experiments. Provides help for the scientific method, poster display boards, research, ideas, and planning. There are many different types of fish. You can customize this kit to include the Daphnia magna culture kit, fine mesh net, pipets, and other supplies needed to complete this experiment. I used the candy mints in this experiment. Middle School Science Fair Projects. This is your origin line. ) When you put salt in water, the water molecules pull the sodium and chlorine ions apart so they are floating freely. Here, we'll suggest some materials you can use for your filter. "Which Filtration Material Leads to the Best Drinking Water?" Science Buddies check out the Science Buddies science project From Contaminated to Clean:. See more ideas about Math projects, Science fair projects and Science. Are you interested in doing a science fair project that involves the environment, ecology, pollution, or other environmental issues? Here are some science fair project ideas that involve environmental science problems. One small empty plastic soda or water bottle. HYPOTHESIS. Collect information, run some experiments, record your observations and draw a conclusion. Electricity experiment with water, pencils, and 9 volt battery. According to Archimedes’ principle, buoyancy depends on the amount of liquid displaced by an object. Proceeds from the affiliate programs help support Science Buddies, a 501(c)(3) public charity, and keep our resources free for everyone. Can we use water pressure to do something, such as lifting a car, breaking a tree, or digging into the ground? Any of these questions can be the subject of a science project. To successfully complete this cannon, pound on the drum (the plastic bag) to make air escape from the hole in the bucket. school placeholder image. The oil level is where the top of the oil layer hits the measuring cup. org where you can find a wealth of project ideas and resources. The secret to making a good bubble is surface tension, a bond that holds water molecules together. The United States Geological Survey defines water quality as "the chemical, physical and biological characteristics of water. Make Boba for Bubble Tea. Science Buddies has teamed up with Home Science Tools to bring you quality science kits that are designed to work with Science Buddies project instructions. These project ideas also have links to a page with the projects purpose, which maybe helpful for starting your project. Water striders (image credit Isaka Yoji). The free digital tools are designed to promote deep understanding of scientific experimentation through student science fair project. Top 100 Science Fair Projects - Updated for 2019 Last updated: January 1, 2019 Help your child or student kick-start their science fair project with one of these great options!. Kinsman Catching Rays: Reflections on Portable Desalination Devices J0911 Objectives/Goals Objective: Increase Portable Desalination Device (PDD) effectiveness using a flexible reflector (FR) to. One of those discoveries might be how clean your drinking water is. When the surface tension of water is combined with a soap or detergent, it becomes elastic. Find a great list of water science fair projects for kids. Do ants like cheese or sugar better? What types of birdseed do birds prefer? How does electricity affect fruit flies? How does electricity affect fruit flies? How do different types of liquids affect fruit fly growth? What foods do mealyworms prefer? What seeds do birds like best? Do mint leaves repel ants?. If you’re very careful, you can get the egg to float between the fresh and saltwater! How It Works: The egg is denser than the fresh water (more molecules per square inch), this causes it to sink. Middle School Science Fair Projects. Science Buddies Project Ideas Check out the different areas of science, technology, and mathematics you might want to explore in your science fair project. The projects are categorized by their difficulty. Grow Your Own Salt Crystals. Making Clouds: How to Make a Water Cycle Model Share this science project If you leave of cup of water on a sunny table outside, the water disappears in a couple days. Find a Science Fair Project Idea. A density demonstration from Science Buddies. Water dispenser is a device that normally help to dispense water. Static Electricity Projects and Experiments by Science Made Simple. Studying bubbles can be a fun and captivating science project. com provides the Science Fair Project Ideas for informational purposes only. These project ideas also have links to a page with the projects purpose, which maybe helpful for starting your project. There are different kinds of mold and we are dealing with them daily. Primary Projects (Grades 1 - 4) The following are display type projects suitable for beginners. Baking soda. Below are some more science projects and energy activities for students, K-12. July 18, 2019 — Science Buddies and Sabine de Brabandere. In other words, they design an experiment so that changes to one item cause something else to vary in a predictable way. "Which Filtration Material Leads to the Best Drinking Water?" Science Buddies check out the Science Buddies science project From Contaminated to Clean:. PROJECT TITLE. It's fun and easy. With rapid increase in population, global warming and a loss of fresh water, there will soon be no free fresh water in the world. Try to repeat the science fair project using other types of plants like radish, chili or sunflower. Disclaimer and Safety Precautions Education. Looking for inspiration for a science fair project? Science Buddies has over 1,200 Project Ideas in all areas of science. This two- to five-day project, from the Science Buddies website, explores the concepts of molecular mass and moles, and reveals that adding certain solutes to water can change its freezing and boiling points. * Find grading rubrics for these assignments on the Teacher Resources Page on the Science Buddies website. We have created the ideal classroom environment and curriculum so that your child can realise his/her. Water pollution science fair projects and experiments: topics, ideas, resources, and sample projects. Homemade Simple Water Filter. Form your own hypothesis about which water is best and why. When the surface tension of water is combined with a soap or detergent, it becomes elastic. There are a couple of ways you get science projects to glow in the dark. Depending on which projects you do, additional supplies, like water, a microbial fuel cell kit, rubbing alcohol, yogurt, household disinfectants, and more, may be needed. We save only the first page of every project because we've found that the third party sites are often temporarily down. Research water based subjects and answer questions related to everything from rain to ice, drinking water, filters, drainage, moisture and more. There are different kinds of mold and we are dealing with them daily. You can test acidity, examine the corrosiveness of common household chemicals, and more. Water Treatment Senior Staff Scientist and Project Manager at Science Buddies. Try to repeat this science fair project, this time, evaluating different environments for decomposition, such as by immersing the plastic in lake water or vegetable oil. You'll be expected to present data in the form of tables and graphs. Each of them has a short description on this page and then a link to the actual activity. A density demonstration from Science Buddies. When the surface tension of water is combined with a soap or detergent, it becomes elastic. com does not make any guarantee or representation regarding the Science Fair Project Ideas and is not responsible or liable for any loss or damage, directly or indirectly, caused by your use of such information. Combining flavor, fun, and chemistry, the spherification kit is a great and tasty introduction to food science! The kit contains food-grade versions of three chemicals used in molecular gastronomy recipes to turn liquids and semi-solids (like juice and yogurt) into tasty spheres that pop in your mouth. Mold can be excellent subject for the 5th grade science fair project. Teacher's Guide to Science Projects 5. So before you drink another bottle of soda, think again. Ideas for Science Fair Projects on Surface Water Quality Topics for Middle Schools Students and Teachers - Ideas for science fair projects on surface water quality from EPA's Office of Water. Be careful not to boil the water, as it will evaporate too fast to do the experiment with. MAKE IT AN EXPERIMENT. Botany, which is also called plant biology or plant science, is the study of plant life and growth. Science Buddies is a non-profit organization focused on developing science enrichment tools for students in grades K-12. This science project researches the correlation between barometric pressure and wind velocity. Results and conclusions: The right side of your board holds the final information about your drinking water test. Static Electricity Projects and Experiments by Science Made Simple. If you’re very careful, you can get the egg to float between the fresh and saltwater! How It Works: The egg is denser than the fresh water (more molecules per square inch), this causes it to sink. Tonic water is a carbonated beverage that has a chemical called quinine dissolved in it. We have created the ideal classroom environment and curriculum so that your child can realise his/her. For this science project we 'll need: Take a big glass jar and fill it up with 500 ml of water. Get easy ideas from a range of topics that will help you create a first place prize winning science fair project. Does a metal baseball bat vibrate more than a wooden one? 4. Fill the two containers with tap water. Here’s list of great science experiments with instructions that you can do right at home or at school. Find a Science Fair Project Idea. Distil water with a solar purifier in this science project. net: If you have any question or trouble with this site, please send us an. Circle all of the ones that sound interesting to you. Funnel or piece of paper. Place one egg in each of the containers and observe which one of the eggs float in the container and which one sinks. By Science Buddies on April 10, 2014; Fun, Science Activities for You and Your Family, from Science Buddies. sciencebuddies. com provides the Science Fair Project Ideas for informational purposes only. Thanks for watching. If you are specifically thinking about making a water cycle project, the following ideas should be of some help. Make glowing water with the help of a black light in this fun science experiment for kids. Whether you’re prepping for a science fair or looking to impress your class with a spectacular demonstration or two, these 6th grade science projects are sure to be winners. 7th Grade Science Fair Projects. Disclaimer and Safety Precautions Education. Browse the library or let us recommend a winning science project for you! Please enter a search term in the text box. The free digital tools are designed to promote deep understanding of scientific experimentation through student science fair…. Water striders (image credit Isaka Yoji). Below are some more science projects and energy activities for students, K-12. Science experiments questioning whether color can impact evaporation should account for factors like light, heat and humidity. Grow Your Own Salt Crystals. PROJECT TITLE - The Effect of Salt on the Boiling Temperature of Water PURPOSE OF THE PROJECT - To find out how table salt affects the boiling temperature of water. Finally design an experiment to test your hypothesis. So, yes, studying mold is important. You choose which water samples to test for your science project - home tap water, school drinking fountain, fast food restaurant ice dispenser, school cafeteria - the possibilities are many. Some activities require help from an. This science fair project was conducted to ascertain the various factors that determine the boiling point of water. All you did was add salt to your water. Science Buddies Project Ideas Check out the different areas of science, technology, and mathematics you might want to explore in your science fair project. To make it a true experiment, you can try to answer these questions: Does water temperature affect how fast the balloon fills up. com) Introduction: This project is one of the most famous electricity projects that can be performed successfully by most students in the age of 10 to 16. Including a Science Fair Project Guide and an Ask an Expert online bulletin board, staffed by volunteer scientists and top high school students. Also, be sure to keep the water temperature as constant as possible in order to keep the experiment as consistent as possible. Kids can watch the colored water walk along paper towels and fill an empty glass. This video introduces you to the Raspberry Pi and the fun projects you can do with the Science Buddies Raspberry Pi Projects Kit. Get water to "walk" from one cup to another in this colorful science experiment. The Science Buddies for LA’s Homeless Children is designed to give children residing in Los Angeles’ homeless shelters a chance to see the wonders of science with the help of a community college buddy. Looking for elementary science projects? Science4Us provides free science projects as part of the array of resources available on our website. Kinsman Catching Rays: Reflections on Portable Desalination Devices J0911 Objectives/Goals Objective: Increase Portable Desalination Device (PDD) effectiveness using a flexible reflector (FR) to. Make your own bouncy. MATERIALS AND EQUIPMENT - Table Salt * Distilled Water * 2 Quart Cooking Pot. You can experiment with surface tension using just a few household items. Put Edible Paper to the Test. Find a great list of water science fair projects for kids. Browse the library or let us recommend a winning science project for you! Please enter a search term in the text box. rooting hormone that you can buy in the garden shop. There are some. Collect information, run some experiments, record your observations and draw a conclusion. Our top priority is student learning. Pick something you're interested in and try it out for size. Why is salt water unsafe to drink. This yummy project teaches chemical reactions and of course requires a taste test. Plant Science Fair Project Ideas. Hold the bag in place by using the rubber band. This two- to five-day project, from the Science Buddies website, explores the concepts of molecular mass and moles, and reveals that adding certain solutes to water can change its freezing and boiling points. Space Science Fair Projects. Including a Science Fair Project Guide and an Ask an Expert online bulletin board, staffed by volunteer scientists and top high school students. All you did was add salt to your water. Add about 6 tablespoons of salt in one container and stir it well with a tablespoon until the salt has completely dissolved in the water. The American Dental Association or the ADA has warned people that too much soda could damage their teeth particularly their tooth enamel. Mold can be excellent subject for the 5th grade science fair project. By doing this project, you'll understand how materials are filtered out of water and what it takes to create a clean water source. rooting hormone that you can buy in the garden shop. Read this list of 200 science-fair project ideas. Smith Consulting Services). Some activity sheets will need to be downloaded or printed with your Web browser software. It's good for first or second graders. Homemade Simple Water Filter. The de-gassing of carbonated water only slightly reduces its dissolution. Whether you’re prepping for a science fair or looking to impress your class with a spectacular demonstration or two, these 6th grade science projects are sure to be winners. Kids can watch the colored water walk along paper towels and fill an empty glass. Collect information, run some experiments, record your observations and draw a conclusion. This is your origin line. Quinine is made from the bark of a tree and has been used for centuries as a treatment for malaria. There are different kinds of mold and we are dealing with them daily. Enjoy projects on rain, ice, water quality, drainage, moisture and more with our fun water science fair project ideas. The projects are categorized by their difficulty. Here, we'll suggest some materials you can use for your filter. Disclaimer and Safety Precautions Education. Calcium usually gets into the water in the form of chalk or limestone. These projects address real-life water issues occurring in streams, rivers, lakes, and other types of surface waters across the United States. Small balloon. Volcano science project is probably the most popular science fair project in the world. Water quality experiments are informative, but not too difficult. Science Buddies, Milpitas. Learn more: Steve Spangler Science. Static Electricity Projects and Experiments by Science Made Simple. If you are here, you are lost. Studying bubbles can be a fun and captivating science project. These 5th grade science projects are great for whole-class experimentation or as a science fair project. 5V batteries - Battery holder - 4 jumper wires with crocodile clips at both ends - A digital voltmeter - An ammeter - A small light bulb with socket. You will need. Students can show off their love and knowledge of science, as well as their creativity. Explore Science Buddies,Science Projects Fair Ideas Experiments, Kids Project Experiment Ideas, science experiment projects, simple, cool, fun and easy science fair experiments, topics for science experiments, and also for Middle school, Elementary School for class 5th Grade, 6th, 7th, 8th, 9th 10th, 11th, 12th Grade and High School, MSC and College Students. After you've conducted the experiment, you've still got to write a paper about the experiment afterward. Identify Variables: When you think you know what variables may be involved, think about ways to change one at a time. Cut a piece of string with scissors and tie each end to a toothpick. The density of water is 1. Berkey Filters Science Fair Webpage. Cool, huh? By the way, you can store your “Blobs In A Bottle” with the cap on, and then anytime you want to bring it back to life, just add another tablet piece. Teachers might like to incorporate them, too. Does the size of the bottle affect how much the balloon fills? Can the amount the balloon fills-up be controlled by the amount of vinegar or baking soda? Science Bob. Donate to Science Buddies Home > Science Fair Project Ideas > Background Info > Science Interest Survey > Recommendations > A Battery That Makes Cents A Battery That Makes Cents Objective In this experiment, you will make a simple battery out of coins and test if the number of coins in the pile will affect the amount of electricity produced. Repeat step two with nine more samples of city water, for a total of ten city water samples. Get easy ideas from a range of topics that will help you create a first place prize winning science fair project. ) are insects that can hop around on the surface of water (Figure 1). With 10 million students from grades K-12 participating in science fairs and STEAM events every year, Science Fair Central aims to give students the tools to take their projects to the next level. Roots - how much water is used by different plants - what is the effect of temperature, sunlight, etc. Draw a pencil line about 2 cm from the bottom edge of the paper. Science projects may be classified into four main types. Studying bubbles can be a fun and captivating science project. If you are here, you are lost. ADVERTISEMENTS: Do you want to create an amazing science fair project on water pollution ? You are in the right place. Now enter 1 cup of water in the. These science fair projects ideas provide information and questions you can develop into a science fair project. Science Buddies website lists science fair project ideas in the areas of physical science, life science, engineering, earth and environmental science. A misty science project from Science Buddies. Collect information, run some experiments, record your observations and draw a conclusion. Consider these ideas as springboards to help develop your own original project. gov, United States Department of Agriculture Science Activities for All. " Quality determines the best uses for water. The Effect of Salt on the Boiling Temperature of Water. Disclaimer: Science Buddies participates in affiliate programs with Home Science Tools, Amazon. (An ion is an atom that has an electrical charge because it has either gained or lost an electron. Students can show off their love and knowledge of science, as well as their creativity. The links to each topic will take you to ScienceBuddies. Mix food coloring into water until it takes on depth of color that appeals. Science Buddies. Students conducting science projects at all levels find resources and support in the Science Buddies Project Guide and ISEF Project Guide. After you've conducted the experiment, you've still got to write a paper about the experiment afterward. All you did was add salt to your water. Students who are interested in the environment benefit from experimenting with water from a variety of sources. Dolomite is usually the predominant source of magnesium found in hard water. The purpose of this project is to build a small wooden water wheel and connect it to a bicycle generator in order to produce electricity. Build your own model from empty bottle, cardboard, few old newspapers and some other bits and pieces available in your household. In this Science Buddies science project, you'll determine if sediment from parking lots contain compounds that are harmful for aquatic organisms. 7th Grade Science Fair Projects. Get water to "walk" from one cup to another in this colorful science experiment. Enjoy projects on rain, ice, water quality, drainage, moisture and more with our fun water science fair project ideas. HYPOTHESIS. Read this list of 200 science-fair project ideas. Stories by Science Buddies. Water quality experiments are informative, but not too difficult. Pouring water using a string is pretty cool, but it isn’t a science fair project, yet. Intel ISEF Resources - Useful resources for not only Intel ISEF but all science fairs. Use water balloons to explore buoyancy. Plant Growth Objective.