Kindergarten - 8th Grade Science Activities : Page 25

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This science fair project idea explores how length affects the weight a bridge can hold.

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This project examines what types of objects burn and which burn faster and cleaner.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Is your child a young ornithologist in the making?

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Learn how different types of soil affect how animal tracks form in this experiment!

This science fair project idea investigates the difference in reaction times between boys and girls.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Make a lei and bring a touch of the tropical lifestyle into your home!

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.