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Life in Our Solar System

Total questions: 36

Worksheet time: 23mins

Name
Class
Date
1.
How does Carbon Dioxide in Earth's atmosphere allow Earth to support life? 
a)
Animals need Carbon Dioxide to breathe.
b)
Carbon Dioxide traps radiation from the sun to warm Earth and is used by plants in photosynthesis.
c)
Carbon Dioxide is produced by plants so that animals can breathe.
d)
Carbon Dioxide is needed to make water.
2.
What conditions would you look for if you were looking for life on moons or other planets besides Earth?
a)
Moderate temperature, ice, and the presence of a gas containing atmosphere.
b)
Cold temerature, liquid water, and the absence of gas containing atmosphere.
c)
Moderate temperature, liquid water, and presence of a gas containing atmosphere.
d)
Hot temperature, liquid water, and the absence of gas containing atmosphere.
3.
What are 3 ways Earth is different from other planets?
a)
It has extremely hot temperatures, atmosphere with oxygen, and liquid water
b)
It has moderate temperature, atmosphere with no gas, and liquid water
c)
It has extremely cold temperatures, atmosphere with oxygen and liquid water.
d)
It has moderate temperature, atmosphere with oxygen, and liquid water
4.
The layer of ozone in the upper atmosphere of Earth is important to life because it shields Earth from -
a)
impacts from meteors.
b)
Cold temperature, liquid water, and the absence of gas containing atmosphere.
c)
ultraviolet radiation.
d)
changes in temperature.
5.
What is the most important factor that determines Earth’s temperature?
a)
Amount of water on the planet
b)
Proximity to the Sun
c)
Gas composition of the atmosphere
d)
Distance to the Moon
6.
Earth is currently 150 million km away from the Sun. If Earth was 200 million km away from the Sun, it would no longer support life because -
a)
the surface water would evaporate.
b)
the temperature would be too cold.
c)
the oxygen would leave the atmosphere.
d)
there would be less exposure to solar wind.
7.
Which of the following characteristics of the planet, Earth, is essential to the survival of every living organism?
a)
Earth has abundant available water.
b)
Earth has just one orbiting moon.
c)
Earth orbits the Sun once every 365 days.
d)
Earth rotates on its axis once every 24 hours.
8.
Which of the following characteristics of Jupiter best explains why Jupiter does not support life, while Earth does? Jupiter -
a)
has four moons that orbit the planet.
b)
has virtually no water on the surface.
c)
rotates on its axis once every 10 hours.
d)
orbits the Sun once every 12 years.
9.
All of the following characteristics of Jupiter’s moon, Europa, are conditions that make it suitable for supporting life EXCEPT -
a)
water on the surface.
b)
oxygen in the atmosphere.
c)
gravity on the surface.
d)
surface temperature of -260ºF.
10.
An astronaut should not remove his or her helmet while working outside the space station because the helmet provides -
a)
nitrogen.
b)
oxygen.
c)
water.
d)
food.
11.
There is no air in space. Which of the following accommodations is required for an astronaut to directly communicate with another astronaut in space?
a)
Computer
b)
Radio
c)
Jet pack
d)
Satellite
12.
The protective gear that protects astronauts from the cold, airless environment of space
a)
Space station
b)
Space suit
c)
Accommodations
d)
Instruments
13.
Spacesuits have layers that have high capacity for thermal insulation in order to -
a)
regulate body temperature in the extremes of space.
b)
prevent the spread of bacteria that thrive in space.
c)
allow communication with the space station.
d)
prevent the astronaut from sweating inside the suit.
14.
What design element of an astronaut’s spacesuit protects him or her from micrometeoroids, which are tiny bits of space debris travelling at high speeds?
a)
Large oxygen tank
b)
Powerful jet pack
c)
Small radio communicator
d)
Tough outer shell
15.
How do astronauts counteract the effects of microgravity on their bones while they are in space?
a)
Monitor sensors outside the space station
b)
Consume twice as many calories as normal
c)
Use exercise equipment on the space station
d)
Breathe at a faster rate than normal
16.
Which of the following is NOT a reason that Earth can support life? 
a)
breathable atmosphere
b)
Greenhouse gases
c)
Water found only in gas state
d)
Solid surface
17.
Why can't Mars support life?
a)
No seasons
b)
Liquid surface
c)
No breathable atmosphere
d)
Too hot
18.
Why can't Venus support life?
a)
Too cold
b)
Liquid surface
c)
Poisonous gases make up the atmosphere
d)
No volcanic activity
19.
Where are scientists currently conducting research in space?
a)
International Space Station
b)
Mir
c)
Skylab
d)
Space Shuttle
20.
Which of the following is a reason that Uranus CANNOT support life
a)
it orbits the sun
b)
it has too few moons
c)
it is too cold
d)
there is liquid water
21.
What are the conditions in space?
a)
extreme temperatures, no atmosphere, microgravity, Ultraviolet radiation
b)
extreme temperatures, no atmosphere, microgravity, no radiation
c)
extreme temperatures, no atmosphere, macrogravity, Ultraviolet radiation
d)
extreme temperatures, no atmosphere, macrogravity, Radiation
22.
The force that keeps planets on their orbit...
a)
orbit
b)
stars
c)
planets
d)
gravity
23.
About how much of earth's atmosphere is Nitrogen?
a)
78%
b)
20%
c)
10%
d)
85%
24.
Which of these is NOT essential for habitability?
a)
Temperature
b)
Liquid Water
c)
Atmosphere
d)
Bacteria
25.
In what form does Mars have available water?
a)
In Ice Caps
b)
In Rivers and Lakes
c)
In Oceans 
d)
In Seas
26.
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
27.
Which of the following is NOT affected by microgravity in space?
a)
Bone loss
b)
Muscle loss
c)
Oxygen loss
d)
Kidney stones
28.
Temperatures in space can range from negative 450 degrees Fahrenheit to temperatures in the 1000s. How do astronauts protect themselves?
a)
sunscreen and mittens
b)
temperature controlled space suits
c)
sunglasses
d)
pressurized space suits
29.
What are the big, flat shiny things on the ISS?
a)
solar panels
b)
wind sails
c)
heat reflectors
d)
antennas
30.
The solar panels capture sunlight and turn it into __________
a)
heat
b)
electricity
c)
light
d)
sound
31.
Why is "air pressure" dangerous?
a)
There is too much of it in space
b)
the body is adapted for the pressure on earth and there is almost none in space.
c)
It is hot in space
d)
It is cold in space
32.
Why is "communication" a danger of space?
a)
There is no air.  
b)
There is no air.  Without air, your voice cannot travel through space.  You need a radio.
c)
In sunlight, a spacesuit can heat up to over 100 degrees Celsius
d)
You need a radio
33.
What is the relationship between a planet's distance from the sun and its surface temperature?
a)
As the distance increase, temperature increases
b)
As the distance increases, temperature decreases
c)
As the distance decreases, temperature decreases
d)
there is no relationship between a plant's distance from the sun and its surface temperature
34.
What conditions would you look for if you were looking for life on moons or other planets besides Earth?
a)
Moderate temperature, ice, and the presence of a gas containing atmosphere.
b)
Cold temerature, liquid water, and the absence of gas containing atmosphere.
c)
Moderate temperature, liquid water, and presence of a gas containing atmosphere.
d)
Hot temperature, liquid water, and the absence of gas containing atmosphere.
35.

What causes astronauts to lose bone density and muscle mass while aboard the ISS?

a)

The lack of certain nutrients in their food

b)

Swallowing their toothpaste

c)

Weightlessness in microgravity

d)

The absence of a magnetic field

36.

Why is most of the Earth's water in the liquid state?

a)

The magnetic field of the Earth generates heat

b)

The ozone layer of the Earth warms the planet

c)

Earth has an intensely hot inner core

d)

Earth is in the habitable zone of the Sun