Physical Science Activities : Page 4

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This science fair project idea demonstrates sonar mapping of the ocean floor.

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

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

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.

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.

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

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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.

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

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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 budding young observers a chance to discover simple machines at use in their own home.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

I scream, you scream, we all scream for homemade spearmint ice cream!

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

Illustrate the idea of light refraction with this exciting and mystifying experiment.

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

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

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Here's an investigative activity in which your child will discover real-world names and uses for sugar and find out how it is hidden in many different foods.