How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Explore if planting seeds in a certain direction will affect how fast it germinates.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.