Question: Johnathan is trying to find two blocks of wood with the same mass for a project he is working on. He doesn't have a balance, so he makes a crude one out of materials he has on hand. He put a block of wood on either side and the block on the left side was at a lower level than the block on the right. Does the block of wood on the right side have more or less mass than the block of wood on the left side?
Answer: less

Question: Mark and his brother Jeffrey have to leave their cars outside because their parents' cars take up the entire garage. Mark's car has a very dark interior, while Jeffrey's car has a lighter colored interior. It is mid-afternoon on a sunny day in July, and Mark and Jeffrey are deciding which car they want to take to go to the movies. Which car, Mark's or Jeffrey's, will reflect less sunlight?
Answer: Mark's

Question: The U.S. produces its energy using fossil fuels, while Germany uses nuclear power plants as their main energy source. The two countries impact the environment in different ways. Which country causes less acid rain?
Answer:
Germany