In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Examine the effect of pressure on carbonation in soda.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

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

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

This science fair project idea examines liquids of different densities.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

In this project, waves of vibrations are experimented with using water in glasses.

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.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

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

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.