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

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.

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

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

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

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

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.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

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

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

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.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

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!

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

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!

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Introduce your child to science with something they see everyday--their shadow!

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

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

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

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.