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.

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

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.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

The goal of this project is to create an exciting topographical map out of dough.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.