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

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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

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

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

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

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.

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!

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

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

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

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.

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

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

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

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.

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!

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

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

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Learn with makes water molecules work with this fun and easy science activity!

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

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

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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.

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

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

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!

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