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!

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.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Slip some science into storm watching with a homemade rain gauge!

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

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!

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

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

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

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

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

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

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

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 has students collect wood samples and invent new uses for different types of wood based on its properties.

This science project allows students to study the psychology of happiness.

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