Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

This science fair project idea investigates the relationship between memory and age.

In this science fair project, students test how objects float and sink in liquids of different densities.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science fair project examines how seeds hitchhike on animals and clothing.

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

Examine whether males or females are more likely to have a higher center of gravity.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

This exploration of different types of energy will help young minds appreciate and observe thermal, kinetic, mechanical, and other forms of energy.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this science fair project, students create their own miniature salt flats at home.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This project involves the programming and development of a 3D Rubik's Cube application using C++.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.