2nd - 4th Grade Physical Science Resources : Page 3

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

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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.

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

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Try this chemistry experiment with your curious kid and get some "shocking" results!

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.

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

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

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!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

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

Give your budding young observers a chance to discover simple machines at use in their own home.