On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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.

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!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

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

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!

This science fair project idea produces sounds by creating vibrations using different objects.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

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

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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

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.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

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

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project idea produces varying pitches of sound.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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

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.

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

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.

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