Question: Here's a logic test: Sand is less rough then gravel. A skateboard wheel rolling over _____ will become less hot over time (A) sand (B) gravel Choose the answer between "sand" and "gravel".
Answer: sand

Question: Here's a logic test: Milo knows that a frozen lake is smoother than a grass field. This means that when he slides his paper plane across one of the two surfaces it will experience less friction. Which surface is that? (A) frozen lake (B) grass field Choose the answer between "frozen lake" and "grass field".
Answer: frozen lake

Question: Here's a logic test: Kasey is pushing a stroller from her house to the store. She crosses her muddy yard and has to push the stroller very hard to make it move. When she pushes the stroller on the dry sidewalk, the stroller moves easily. The muddy yard had _____ than the dry sidewalk. (A) more resistance (B) less resistance Choose the answer between "muddy yard" and "dry sidewalk".
Answer:
muddy yard