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.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

The project researches how lubricants affect the mechanical advantage of a pulley.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Make sourdough bread...and learn some colonial history and modern science in the process!

This science project has students study the idea of human beauty.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Introduce your child to science with something they see everyday--their shadow!

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.