In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

In this experiment you will replicate the mummification process by making a hot dog mummy.

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea demonstrates that plants give off water.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea explores whether talking to a plant will help it grow.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.