Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

This science fair project idea tests the efficiency of short term memory.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This science fair project idea measures physical dexterity as a function of temperature.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

This project concerns activity happening millions of miles away, on the sun.

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