Choose between "Steve before weight loss" and  "Steve after weight loss". Question: Steve undertook an exercise and diet program and lost a good amount of weight over several weeks. One thing Steve observed was how much more difficult it was to get his bike going fast when he was heavy than it was now that he had lost some weight. This means that when he weighed more his bike was (A) slower to get up to speed (B) faster to get up to speed.
Steve before weight loss


Choose between "Empty Wheelbarrow" and  "Full Wheelbarrow". Question: When Dave was pushing the full wheelbarrow it was taking forever to get it going, but once it was empty he noticed that it (A) was taking longer to move (B) it was much faster to move
Full Wheelbarrow


Q: Choose between "Jon" and  "Carl". Question: The football coach wants to choose the person who can throw the ball the furthest to be on his team. Jon is stronger than Carl is. Who will coach choose? (A) Jon (B) carl.
A: Jon


Question: Choose between "morning" and  "night". Question: Mel is going jogging in the mornings, and watches tv on the couch at night. Mel perspires more (A) in the morning (B) at night
Answer: morning


*Question*
Choose between "sidewalk" and  "sand". Question: Kelly is rolling a beach ball around. She rolls it on some sand at the beach and it rolls very slowly. Then she rolls it on the sidewalk and the ball rolls quickly. The ball rolls faster on the sidewalk because the sidewalk has (A) higher friction (B) lower friction.
**Answer**
sand


Q: Choose between "smooth lake" and  "choppy lake". Question: Bob likes to skip rocks across the lake. He skipped rocks on a calm day when the lake was smooth and on a windy day when the lake was choppy. He noticed that the rock encountered less friction on the smooth lake than the choppy lake. Which lake would the rock skip farther on? (A) The smooth lake (B) The choppy lake
A: smooth lake