Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

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

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Think about the adaptive utility of an important aspect of our physiology.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

This experiment will explore if and where fractals can be found in the natural world.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

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

Examine the impact of insecticides on plant growth.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

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

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Test the placebo effect in different groups of people.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

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

Find out which type of sponge holds the most water.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

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.

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.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.