Problem: Write a question you would see in a school textbook.

Answer: All the ponds in an area dried up during a drought. The population of which of the following animals that live in the area is most affected by the drought?

Problem: Write a question you would see in a school textbook.

Answer: The chemical formula for water is H_{2}O. What does the formula show about each element in the compound?

Problem: Write a question you would see in a school textbook.

Answer:
How far from Earth is an object that is 10 light years from Earth?