Ecology

1
Jeopardy
Astronomy Part One

• Ecology

2
Scientists
Grab Bag
Inner Planets
Extra Terrestrial
The Earth
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3
Name any major scientist from the history of
astronomy as covered in our unit.
A
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Ptolemy Galileo Copernicas Tycho Brahe Kepler
5
Who was the scientist who almost started a
revolution with his ideas that the planets
revolved around the sun.
A
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Copernicas
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Who used the newly invented telescope to help him
support the idea that the planets revolved around
the sun?
A
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Galileo
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Who found that the planets circled the sun in an
ellipse (oval) rather than a circle?
A
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Kepler
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Name 4 of the 5 historical astronomers covered in
this unit.
A
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Ptolemy Galileo Copernicas Tycho Brahe Kepler
13
What planet in our solar system is unique because
it has water as its surface?
A
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Earth
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How many days does Earth take to revolve around
the sun?
A
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365 days
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What two gasses make up Earths atmosphere?
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Oxygen and Nitrogen
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What are the names of Earths three main layers
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Crust Mantle Core
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What is Earths average distance, in kilometers,
from the sun?
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150,000 km
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What is made up of a large amount of gas in a
relatively small space?
A
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A Star
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What happens when gas contracts and dust from
this large cloud of gas becomes so dense and hot
that the atoms of the gasses all join together?
A
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A star is born
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What is a large cloud of gas and dust that
spreads out in a large space
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nebula
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Name any of the inner planets.
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Mercury Venus Earth Mars
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What is the smallest terrestrial planet?
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Mercury
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Which planet is so much like Earth that it is
called Earths twin
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Venus
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How are the four inner planets similar to each
other?
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They are all small and rocky.
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Why is Venuss atmosphere much hotter than
Mercurys even though it is further from the sun?
A
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Venuss atmosphere is thick and it holds in the
heat. (The green house effect)
39
How many moons does mars have? What are there
names?
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Two Phobos and Deimos
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What is the trapping of heat in the atmosphere
called?
A
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The Green House effect
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What planet is know for having a red-like color?
A
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Mars
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Which planet can be seen without a telescope?
A
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Venus
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Scientists think that at one time water flowed on
Mars. Scientists infer that mars must have been
______ in the past.
A
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warmer
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Marss atmosphere is made up of 95 ____ _______
A
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Carbon dioxide
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Which planet has seasons just like earth? Why?
A
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Mars, because it has a tilted axis