Question: You are presented with the quiz "What material will become hot if exposed to a heat source?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if a thermal conductor is exposed to a source of heat then that conductor may become hot" and "copper is a great thermal conductor". So, what's the best answer to the question?
OPTIONS:
- coal
- asbestos
- polystyrene
- Oak
- Fiberglass
- Copper
- bamboo
- an object
Answer: Copper

Question: You are presented with the quiz "what have specialized reproductive organs" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plants have specialized reproductive organs" and "all plants are of bush type". So, what's the best answer to the question?
OPTIONS:
- flowers
- Conifers
- apples
- bushes
- insects
- ovaries
- Oak
- animals
Answer: bushes

Question: You are presented with the quiz "What can make a river deepen and widen?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "erosion causes a river to become deeper and wider" and "water erosion has similar consequences as wind erosion". So, what's the best answer to the question?
OPTIONS:
- birds
- sunlight
- Sediment
- wind and water
- rainfall
- flooding
- weeds
- arteries
Answer:
wind and water