3rd and 4th Grade Physical Science Activities : Page 3

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

This surprisingly good glue recipe comes from common kitchen items.

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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

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?

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

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!

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

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

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!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

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

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

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at 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 fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

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.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.