Machines: Grades 7-12

by Ron Marson

Employ the TOPS advantage: build fun stuff with simple things. Devise levers, pulleys, reinvent the wheel, check gear ratios, calculate horsepower, win a tug-of-war. Use spring scales to weigh loads, measure effort, and calculate efficiency. Discover that machines save effort, but never reduce work

• Format: Paperback
• Language: English
• ISBN: 0941008991
• ISBN13: 9780941008990
• Release Date: April 2019
• Publisher: Tops Learning Systems
• Length: 54 Pages
• Weight: 0.60 lbs.
• Dimensions: 0.1" x 8.5" x 11.0"
• Age Range: 12 to 17 years
• Grade Range: Grades 7 to 12