แผ่นงานUnit 2 Lesson 1 Formation of the Solar System
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แป้นคำตอบUnit 2 Lesson 1 Formation of the Solar System
คำถามทั้งหมด: 16
1.
a)
the sun's gravitational pull
2.
a)
outer planets have more gravity
3.
a)
yes
4.
b)
clouds of dust & gas that formed the solar system
5.
b)
6.
c)
7.
a)
8.
d)
9.
a)
10.
a)
scientists have observed sunspots on the sun
11.
a)
true
12.
a)
ice giants would melt and gas giants would not have formed
13.
d)
4.5 billion years ago
14.
c)
comets and asteroids
15.
d)
other groupings of a star and orbiting planets
16.
b)
the Jovian planets or outer planets