Comets, Asteroids, and Meteoroids MCQs

1. What are comets primarily composed of?
(A) Ice, dust, and rocky material
(B) Gas and dust only
(C) Solid metal
(D) Hydrogen and oxygen only

2. Which is the largest asteroid in the asteroid belt?
(A) Ceres
(B) Vesta
(C) Pallas
(D) Juno

3. What is the difference between a meteoroid and a meteor?
(A) Meteoroids are large objects, while meteors are small objects
(B) A meteoroid is in space, and a meteor is a meteoroid that enters Earth’s atmosphere
(C) Meteoroids are found on the moon, while meteors are found on Earth
(D) There is no difference between them

4. What is the “tail” of a comet made of?
(A) Dust and gas particles
(B) Ice and rock fragments
(C) Charged particles from the Sun
(D) Asteroids and debris

5. What is the main difference between asteroids and comets?
(A) Comets are made of only ice, while asteroids are made of rock
(B) Asteroids are smaller and orbit farther from the Sun than comets
(C) Comets are made of dust and ice, while asteroids are made of metal and rock
(D) Asteroids have tails, but comets do not

6. Which of the following is an example of a famous comet?
(A) Comet Hale-Bopp
(B) Ceres
(C) Vesta
(D) Jupiter

7. What is the term for a meteoroid that has landed on Earth?
(A) Meteor
(B) Meteorite
(C) Asteroid
(D) Comet

8. Which asteroid belt is located between Mars and Jupiter?
(A) Kuiper Belt
(B) Oort Cloud
(C) Asteroid Belt
(D) Belt of the Giant Planets

9. What causes the bright “coma” and tail of a comet?
(A) The Sun’s heat causing the comet’s ice to vaporize
(B) The collision of the comet with a planet
(C) The comet’s interaction with Earth’s atmosphere
(D) Gravitational pull from the Moon

10. What is the origin of most meteoroids in space?
(A) The Moon
(B) The asteroid belt
(C) The Oort Cloud
(D) The Kuiper Belt