3rd and 4th Grade Physical Science Resources : Page 3

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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

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

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

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.

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

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.

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.

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.

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

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

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.