What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Test the placebo effect in different groups of people.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This science fair project idea investigates how different disinfectants work in killing germs.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).