I am testing my students' logic. What is the answer they should choose between "shaved legs" and "stubbly legs"? Logic test: Jenny noticed that when putting leggings on they went on much smoother when her legs were shaved versus when they weren't. The shaved legs caused _____ heat due to friction as the stubbly legs did. (A) more (B) less
stubbly legs

I am testing my students' logic. What is the answer they should choose between "gas oven" and "electric oven"? Logic test: A kettle sliding across a gas oven has a smooth ride, but one sliding across an electric oven has a rough ride. Which oven is providing more friction to the kettle? (A) gas oven (B) electric oven
electric oven

I am testing my students' logic. What is the answer they should choose between "paper napkin" and "cloth napkin"? Logic test: A pen writing on a paper napkin experiences more friction then one writing on a cloth napkin. This means the motion of the pen is quicker on the (A) paper napkin (B) cloth napkin
cloth napkin