Kindergarten - 4th Grade Physical Science Activities : Page 3

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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.

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

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

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

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

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.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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!

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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?

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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 is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

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.