Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project idea studies past and current fads and trends.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Plants and light seem to be good buddies, but how far does the friendship really go?

This experiment investigates whether smell can be used to enhance test subjects' memories.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This project examines what types of objects burn and which burn faster and cleaner.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

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

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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 experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

Learn all about balance and motion as your child designs a corn maze!

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.