Physical Science Activities : Page 6

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

This activity is a great introduction to polymer chemistry. It might seem complicated, but all you'll need is the material found inside of a baby's diaper!

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

This science fair project idea demonstrates sonar mapping of the ocean floor.

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.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

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

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

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.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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

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

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

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

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.

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

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Have your child try this classic experiment that demonstrates circular motion using a bucket and rope. Be careful, you might get soaked!

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.