1. What is a meteor shower? *
A. A piece of debris entering Earth’s crust
B. A small, rocky object orbiting around the sun
C. Group of stars falling and passing through the Earth’s atmosphere
D. It happens when Earth’s orbit passes through a trail of comet debris.

2. What causes meteors to glow when they fall on Earth? *
A. Friction with other heavenly bodies produces light.
B. Friction with the atmosphere produces heat and light.
C. Friction with the atmosphere causes meteors to give off their own light.
D. None of the above

3. What will happen if a comet gets closer to the sun? *
A. expires
B. explodes
C. melts and disappears
D. forms a long tail made of gas and dust

4. Which of the following statements about comets and asteroids is TRUE? *
A. Only asteroids collide with Earth.
B. Comets are balls of ice and dust.
C. Most of the trillions of comets in our solar system have tails.
D. All asteroids lie in the asteroid belt between Mars and Jupiter.