I am testing my students' logic. What is the answer they should choose between "Pluto" and "Venus"? Logic test: Pluto has a smaller mass then Venus. Which planet emits less gravity? (A) Venus (B) Pluto
Venus

I am testing my students' logic. What is the answer they should choose between "Walking on the treadmill" and "Running uphill"? Logic test: Susan wants to lose weight by exercising every day. She wants to either run up hill or walk on the treadmill today. If she wants to sweat the least amount, she should (A) Run uphill (B) walk on the treadmill.
Running uphill

I am testing my students' logic. What is the answer they should choose between "rain puddle" and "mud puddle"? Logic test: Avery rides his bike through two puddles. When he rides his bike through the mud puddle, his bike moves very slowly. When he rides his bike through the rain puddle, his bike speeds up. The bike slows down in the mud puddle because there is (A) less friction. (B) more friction
mud puddle