This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

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

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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science project allows students to study the psychology of happiness.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project idea investigates the hardness property of minerals.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This science experiment tests if dog saliva can really help heal wounds.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Do different types of oil mix or stack? Find out in this science fair project idea!

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This project explores ways to prevent static electrical shocks.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

In this science fair project you will make a model of a cell membrane using very simple material.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.