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In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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

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

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

Word color association is just a fancy way to talk about the way we connect colors with words.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

In this activity your child will create their very own marble maze!

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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

This science fair project teaches students about wilting and browning of salad greens.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.