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

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

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

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

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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.

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!

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.

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!

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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!

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

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

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 an interesting activity that will enable your child to make his own magnifier out of a drop of water

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

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

Teach your child how butter is created by shaking up cream the old-fashioned way.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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.

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