1st - 4th Grade Physical Science Activities : Page 4

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.

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 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!

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

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!

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!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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

This surprisingly good glue recipe comes from common kitchen items.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.