I. MULTIPLE CHOICE: Write the letter of the correct answer in your answer sheet
1. I want to observe a near earth object moving across space for a long period of time,
which heavenly body should I look for?
A. Asteroid
B.Comet
C.Meteor
D. Meteorite
2. Which of the following statement is not true about meteor showers?
A. They are light phenomena.
B. They are from fragments of comets and asteroids.
C. They can be predicted to appear at certain months
D. They enter the Earth's atmosphere and hit the earth as meteorites.
3. Hale-Bopp comet is a long-period comet. Its last appearance was in 1997 and will
appear again after 2,383 years. When will be the next appearance of the said
comet?
A. Around 4100 CE
C. Around 4380 CE
B. Around 4280 CE
D. Around 4500 CE
4. How do comets and asteroids differ in terms of composition?
A. Comets and asteroids have the same chemical composition.
B. Comets are made up of rocks while asteroids are made up of ice
C. Comets are made of chunks of ice while asteroids are made up of rocks and iron.
D. Comets are made up of hydrogen gas while asteroids are made up of solid
materials.
5. Hailey-s comets last orbit and appearance was in 1986. Its next appearance will be
on 2061. What is its average orbit?
A. Once every 75-76 years
C. Once every 50-51 years
B. Once every 70-71 years
D. None of the above

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