How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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.

Examine the effect of pressure on carbonation in soda.

This science fair project idea explores the egg's thin membrane.

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

This project tests the hypothesis that dark colors absorb more heat than light colors.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science fair project idea produces varying pitches of sound.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Discover whether a metal will expand under hot water.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project idea examines the reason boats are shaped and engineered.