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.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

The objective of this science project is to determine the length of time for different seeds to germinate.

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

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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 if webbed feet help a duck (and others) swim.

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

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

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.

This project examines whether people's taste perception is influenced by what they see.

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?

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

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

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

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

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

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

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this project children practice the scientific method while playing with puffy paint.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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?

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.