WorksheetsHabitability
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
Life forms on earth are _______ based.
a)
oxygen
b)
hydrogen
c)
carbon
d)
nitrogen
2.
Which of the following is the strongest reason for Earth being habitable?
a)
The Earth is close enough to the Sun to have a night and day.
b)
The atmosphere of Earth has a favorable ratio of gases.
c)
The Earth is far enough from the Sun to be protected from radiation.
d)
The atmosphere is thin enough to allow energy to pass through it.
3.
What features make a planet habitable?
a)
Oxygen, Water, Proximity to the Sun and Food
b)
Carbon Dioxide, Proximity to the Sun, Habitat and artificial satelites
c)
Lots of radiation, extreme temperatures, no food, no shelter
d)
Extreme sunlight, dangerous predators, and salty water
4.
One of the conditions for life as we know it on Earth is a temperature range of
a)
0 to 100 degrees Fahrenheit
b)
0 to 100 degrees Celsius
c)
0 to 100 degrees Kelvin
d)
32 to 100 degrees Fahrenheit
5.
The atmosphere on Venus is extremely hot due to the large percentage of ___________ .
a)
atmospheric carbon dioxide
b)
terresterial carbon dioxide
c)
water vapor
d)
terresterial oxygen
6.
Earth's tilt contributes to habitability
a)
by moderating temperatures.
b)
by creating hot and cold zones.
c)
by promoting weather patterns to support the water cycle.
d)
by keeping the earth the same distance from the sun.
7.
Earth's ______________ provides protection from solar radiation.
a)
atmosphere
b)
magnetic field
c)
gravitational field
d)
chemical composition
8.
Earth, Mars and Venus have similarities, however earth's _________ has helped Earth maintain a life-sustaining temperature.
a)
carbon cycle
b)
water cycle
c)
nitrogen cycle
d)
phosphorous cycl
9.
Earth stores carbon
a)
in the atmosphere, in the ocean and on land.
b)
in the atmosphere and in plants.
c)
in living things.
d)
in Earth's core and oceans.
10.
Why does Venus have such high surface temperatures?
a)
due to a run-away green house effect from high levels of carbon dioxide.
b)
because its orbit is near the Sun.
c)
due to the internal heat of the planet's core.
d)
due to high energy levels from the planet's original formation.
11.
If a planet shows a 'red shift', astronomers can conclude that:
a)
The planet is moving toward the earth
b)
The planet is moving away from the earth
c)
The planet's composition is changing.
d)
The planet has high levels of iron that has oxidized to a form a red/orange color.
12.
Earth's magnetic field is due to
a)
the iron core and the movement of molten iron that surrounds it.
b)
the molten lava that escapes along the volcanic 'Ring of Fire' in the Pacific region.
c)
the aurora borealis that absorbs magnetic energy from the Sun.
d)
the Moon's pull on both water and land masses.
13.
True or False:
Geologic evidence exists that the Earth's magnetic field has flipped poles.
Geologic evidence exists that the Earth's magnetic field has flipped poles.
a)
True
b)
False
100 %
