In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

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

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

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!

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.