In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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!

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

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

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

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

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

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

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

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.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.