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

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this design challenge, your child will make a bottle rocket using typical household items.

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.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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

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

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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.

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

In this science fair project, students make their own rain gauge to measure rainfall.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

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