Physical Science Activities : Page 7

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

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

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

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

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

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!

This surprisingly good glue recipe comes from common kitchen items.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

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

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

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

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

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This science fair project idea produces varying pitches of sound.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Have you or your child ever heard that nursery rhyme and wondered just what curds and whey are anyway? Do this simple experiment together to find out!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

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.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.