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.

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.

This science fair project teaches students about wilting and browning of salad greens.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

In this experiment we will be determining whether birds prefer certain colors of seed.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

An home science experiment for older students that teaches about the science behind heat.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!