What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Discover whether a metal will expand under hot water.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Determine if gender affects the ability to identify different smells.

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.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

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.

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

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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