Showing Results for three digit using : Page 2

This science fair project idea explores how length affects the weight a bridge can hold.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Plants and light seem to be good buddies, but how far does the friendship really go?

In this project children practice the scientific method while playing with puffy paint.

This science fair project examines how seeds hitchhike on animals and clothing.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

This project examines whether people's taste perception is influenced by what they see.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Start your toy engines -- this is going to be a fast and friction-filled race!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science fair project idea determines which method of hand cleansing is the most effective.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science fair project idea investigates how the shape of an object affects drag.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

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!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.