question: Write a question you would see in a school textbook. OPTIONS:
- using a magnet to extract the salt
- adding a colored dye to the mixture
- pouring the mixture through a filter
- boiling the mixture until the water evaporates
answer: Which action is the best method to separate a mixture of salt and water?

question: Write a question you would see in a school textbook. OPTIONS:
- metallic
- rocky
- hot
- icy
answer: What best describes objects orbiting in the Kuiper Belt?

question: Write a question you would see in a school textbook. OPTIONS:
- The trees provide oxygen for the soil.
- The trees prevent soil from washing away.
- The trees make shade for animals living there.
- The trees cause animals to move to other places.
answer:
A company plants trees on a bare hillside. Which of these is the BEST reason for planting the trees?