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

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

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.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This project determines what category of person is most likely to be ticklish.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Cleaning can be a chore, but not with this sudsy experiment!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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

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.

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

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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

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

This science fair project idea examines which type of insulation holds in the most heat.

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.