Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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.

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

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.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

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.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

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

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