Using a toy race car kids create a visual model of the Doppler Effect.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

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

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project idea experiments with spinning color wheels and optical illusions.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.