Transcript Astronomy Quiz: Earth as a Planet

Astronomy Quiz: Earth as a
Planet
Pages 146-149
Period 3 Questions
1. How are planet density and planet size related? How
are density and location from the sun related?
2. Is inertia stronger at a certain place on Earth? If so,
what part and why? How does this affect Earth’s
shape?
3. Where does Earth rotate the fastest? Why? Explain…
4. How do we know what the interior of Earth is made of?
5. Why is the interior of the Earth hot?
6. Why is Earth’s inner core a solid when it is hotter than
the outer core?
7. What does density help astronomers learn about other
planets?
8. How are gravity and density related?
Period 4 Questions
1.
2.
3.
4.
5.
6.
How are planet density and planet size related?
How are density and location from the sun related?
Is the Earth a perfect sphere? Why or why not?
Explain.
What can be determined from a seismic wave
traveling through Earth?
Give two explanations as to why the Earth’s interior
is hot.
Why does the core contain more metal than the
crust or mantle?
If the density of the earth was different, would that
affect it – and us - in any way? How? Give details.
Period 5 Questions
1.
2.
3.
4.
5.
6.
What are the two explanations of the Earth’s inner
heat source? Which do you think is more
important and why?
How are planet density and its size related? How
are planet density and its location from the Sun
related? Explain.
Is the Earth a perfect sphere? Why or why not?
Explain.
If the density of the earth was different, would that
affect it – and us - in any way? How? Give details.
Considering that Earth can sustain life (with
supplies of water and oxygen) would we be able to
live if the Earth was further away from the Sun –
say, in Jupiter’s orbit. Why or why not?
How are gravity and density related?