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.

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

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

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

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.

Your child will have fun creating an Earth Day Plate that he can eat off as often as he likes!