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Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Find out whether people within a family tend to have matching fingerprints.

In this science fair project, students use the streak test to tell minerals apart from each other.

This science fair project idea investigates how magnetism can defy the force of gravity.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This science fair project idea investigates whether plants can survive being frozen.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

If you hold a fire up to a balloon, it pops instantly. What if you could prevent this from happening? In this project, we do just that.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.