Engineers in training can get started with this simple wheel-and-axle construction activity.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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.

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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.

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.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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 idea produces sounds by creating vibrations using different objects.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

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

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.