2nd - 4th Grade Physical Science Activities : Page 3

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

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

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

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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 homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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.

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

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

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

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

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

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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

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

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

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!

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Making your own glass cleaner is easy, effective and inexpensive!

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

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

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

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!