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

Answer: Which type of rock is formed when hot lava cools?

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

Answer: Certain flowers will open for twelve hours and then close. Which stimulus do the flowers respond to when they open and then when they close for that time period?

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

Answer:
Which land form results when carbonic acid in groundwater seeps through rock and dissolves limestone?