2nd - 5th Grade Physical Science Activities : Page 4

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.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

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.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

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.

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

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

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!

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

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!

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

What happens when colored beams of light mix? You might be surprised.

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