question: Write a question you would see in a school textbook. OPTIONS:
- color spectrum
- magnetic field
- skeletal system
- water cycle
answer: Which of these would best be shown as a 3-D model?

question: Write a question you would see in a school textbook. OPTIONS:
- heating of the oceans by the Sun
- gravitational pull of the Moon
- earthquakes on the ocean floor
- changes in wind direction
answer: Which of the following is the major cause of tides?

question: Write a question you would see in a school textbook. OPTIONS:
- radar
- sonar
- telescope
- microscope
answer:
Which of these uses sound waves to locate underwater objects?