This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

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.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

This experiment examines if space objects become round after reaching a certain mass.