imple machines help us change the amount of force or the direction of the force needed to move an object. Find out how by learning more about levers. Major Funding by the Laura Moore Cunningham ...

Introduction: This lesson provides students with a review of simple machines and their tasks. It works best in combination with your lesson on simple machines, or as a review/additional activity.

Find out how simple machines impact your daily life on this Science Trek: The Web Show. In this Science Trek: The Web Show, Host Joan Cartan-Hansen and her guest scientists John Gardner, Boise State ...

Lesson that teaches children what screws are and what they do. Gain a deeper understanding of what screws are by making your own in this interactive lesson. Usage conditions apply ...