Physical Science Activities : Page 3

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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!

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

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Is your child struggling with the principles of magnetism? Here's a fun activity to demonstrate polarity and understand the basic principles of magnetism.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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

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

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

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

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!