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This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This project examines various algorithms to determine the ideal algorithm for a strategy game.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

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

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Science fair project that determines whether mass and weight are the same or different.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

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

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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.

This science project challenges high school students to study the linguistic evolution of text messaging.

This science fair project idea discovers the average time it takes for a person to remember something completely.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

Examine the impact of insecticides on plant growth.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.