3rd - 5th Grade Physical Science Activities : Page 2

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

The purpose of this science fair project is to build a basic radio.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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!

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

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.

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

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

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

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

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

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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