Asteroids, Comets and Meteoroids

1. What are the three parts of a comet?

• a. head, body and tail

• b. nucleus, coma and tail

• c. nucleus, proton and electrons

2. What is a comet made of?

• a. ice made of frozen gases, water and dust

• b. moon dust

• c. fire and ice

3. Which comet is often considered the most famous?

• a. Holly’s comet

• b. Halley’s comet

• c. Hale-Bop

4. What is an asteroid belt?

• a. an area between the orbits of Mars and Jupiter where most asteroids are found

• b. a belt of rocks across the planet

• c. a belt of rocks crossing the sun

5. Meteors are bright streaks of light and smoke that are heated by:

a. air condensation b. air friction c. air compression

• a. air condensation

• b. air friction

• c. air compression

6. Meteoroids are:

• a. chunks of ice made up of dust and water

• b. chunks of metallic stony matter

• c. luminous balls of plasma

7. How do astronomers name comets?

• a. in alphabetical order

• b. by the International Astronomical Union

• c. after the discoverer

8. Which of the following statement is true?

• a. Asteroids are larger than dwarf planet

• b. Comets have only one tail.

• c. Meteoroids are chunks of undeveloped planet

• d. Most of the meteors did now survive the friction in the atmosphere.

9. Long period comets arrive from

• a. Oort cloud

• b. Kuiper belt

• c. Asteroid belt

10. It is a solid piece of debris from asteroid or comets that survives its impact on Earth’s surface.

• a. meteor

• b. meteoroid

• c. meteorite

• d. planet