In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science fair project investigates why the number of visible stars changes from place to place.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this science fair project, students make their own rain gauge to measure rainfall.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.