Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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!

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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!

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

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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

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

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

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.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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.

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.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Start your toy engines -- this is going to be a fast and friction-filled race!

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

This science fair project idea investigates how magnetism can defy the force of gravity.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

This science fair project teaches students the differences between fruits and vegetables.

Slip some science into storm watching with a homemade rain gauge!

This science fair project idea investigates whether air has mass and weight.

This science fair project idea demonstrates that plants give off water.

This science fair project examines how seeds hitchhike on animals and clothing.