1.
What are the three main parts of a comet?
- Nucleus, coma, and tail
- Mantle, crust, and core
- Lithosphere, hydrosphere, and atmosphere
- Ionosphere, thermosphere, and exosphere
Exercises 12.5 Exercise
2.
From where the Meteoroids come
- it come from asteroids, comets, and the debri belt
- it come from the sun
- it come from the moon
- meteorids are member of the solar system
3.
What is the name of the region in our solar system where comets originate?
- Asteroid belt
- Kuiper belt
- Oort cloud
- Heliopause
Answer.
c.
4.
Why are the planets visble to us?
- They are hot enough to radiate light
- They reflect sun light
- They reflect star light
- Their atmospheres emit light due to solar wind
5.
Which planet is sometimes referred to as the "Red Planet" due to its reddish appearance?
- Earth
- Jupiter
- Mars
- Saturn
Answer.
c.
6.
Which planet is known for having a thick atmosphere of carbon dioxide?
- Mars
- Venus
- Uranus
- Neptune
Answer.
b.
7.
What is the smallest planet in our solar system?
- Mars
- Mercury
- Uranus
- Neptune
8.
Which planet looks nearly to the moon?
- Jupiter
- Mercury
- Venus
- Saturn
Answer.
c.
9.
Name two planets that do not have satellites
- Jupiter and Saturn
- Mercury and Venus
- Earth and Mars
- Uranus and Neptune
10.
What is a lunar eclipse?
- When the Moon passes between the Earth and the Sun
- When the Earth passes between the Sun and the Moon
- When the Moon passes through the Earth’s shadow
- When the Earth passes through the Moon’s shadow
