Discover! Work and Machines
By Ron Simmons.
Description
This book acts as a fulcrum for knowledge, helping with the work of teaching students about simple machines. Explore the effects of these machines with activities and lessons that focus on levers, pulleys, wedges, force, friction, and more! Reinforce or test students understanding using the provided discussion questions, worksheets, and answers. - from Amzon
ISBN(s)
0787704539, 9780787704537
