In this challenge, students are tasked with creating a car that can be powered by a balloon!

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

Give your budding young observers a chance to discover simple machines at use in their own home.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Introduce your child to science with something they see everyday--their shadow!

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

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

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

How powerful is the reaction between baking soda and vinegar? Find out here!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.