Printable answer key

Stars and Galaxies Starter

Use this answer key after players complete the quiz or when reviewing a printed worksheet.

  1. 1. What is a star?

    Correct answer: A. A hot glowing ball of gas

    Explanation: A star is a hot glowing ball of gas that produces light and heat.

  2. 2. What galaxy contains our solar system?

    Correct answer: A. Milky Way

    Explanation: Our solar system is located in the Milky Way galaxy.

  3. 3. What is a galaxy?

    Correct answer: A. A huge group of stars, gas, and dust

    Explanation: A galaxy is a huge system of stars, gas, dust, and dark matter held together by gravity.

  4. 4. What does a light-year measure?

    Correct answer: A. Distance

    Explanation: A light-year is the distance light travels in one year.

  5. 5. What is a constellation?

    Correct answer: A. A pattern of stars seen from Earth

    Explanation: A constellation is a pattern of stars as seen from Earth.

  6. 6. What tool helps people see distant space objects?

    Correct answer: A. Telescope

    Explanation: Telescopes collect light and help us observe distant objects in space.

  7. 7. What is a nebula?

    Correct answer: A. A cloud of gas and dust in space

    Explanation: A nebula is a cloud of gas and dust in space, sometimes where stars form.

  8. 8. What can happen when a massive star explodes at the end of its life?

    Correct answer: A. Supernova

    Explanation: A supernova is a powerful explosion that can occur when some massive stars end their lives.

  9. 9. What is a black hole?

    Correct answer: A. A region with gravity so strong light cannot escape

    Explanation: A black hole has gravity so strong that even light cannot escape from within its boundary.

  10. 10. Which galaxy is a large neighbor of the Milky Way?

    Correct answer: A. Andromeda Galaxy

    Explanation: The Andromeda Galaxy is a large nearby galaxy and neighbor of the Milky Way.