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

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This science fair project idea produces varying pitches of sound.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Try this chemistry experiment with your curious kid and get some "shocking" results!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science fair project idea explores whether talking to a plant will help it grow.

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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.

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.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

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

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

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

I scream, you scream, we all scream for homemade spearmint ice cream!

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

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.