Sensory Classification: Is it smooth or rough? What's the Matter?

Sensory Classification: Is it smooth or rough? What's the Matter?

Price: $7.99
In stock
Why is your desk smooth? Why is sandpaper rough? What is friction?

This engaging title invites curious readers to discover the answers to these questions. Vibrant photographs and accessible text encourage readers to investigate how smooth and rough materials are used in everyday life. 24 pages. 3-1/2+