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.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea determines if the color of light affects the growth of plants.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project idea investigates how color affects temperature.

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

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Find out whether putting something on top of a plant will inhibit its growth.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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