P L E A S E H E L P M Y L I L C O U Z
__1. Which of the following pairs of space rocks have similar composition?
A. Asteroid-Comet B. Asteroid-Meteoroid C. Comet-Meteoroid D. all of these
__2. Which of the following is the form that has collided the Earth?
A. Comet B. Meteor C. Meteorite D. All of these
__3. Which of these celestial bodies are smaller than planets and move around the sun in nearly circular objects?
A. Asteroids B. Comets C. Meteors D. Meteoroids
__4. How do meteor shower occurs?
i. It occurs when meteoroids enter the Earth's atmosphere
ii. It occurs when asteroids and meteoroids collide with the other space rocks
iii. It occurs whenever a comet's orbit brings the meteoroids closer to the Earth
A. i, ii and iii B. i and ii only C. i and iii only D. none of the above
__5. The reason why a comet is considered as an "occasional visitor" to the planet Earth is that _______.
A. Comet melts immediately as it moves closer to the Earth's atmosphere
B. It is too dark to be detected by a telescope
C. Its location is beside the dwarf planet Pluto and it has no clear path
D. Its orbit is elliptical such that it moves very close to the sun then away from it