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WorksheetsLife in Our Solar System
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
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
2.
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.
3.
The magnetic field of Earth protects life against -
a)
falling meteors from outer space.
b)
high energy particles from the Sun.
c)
ultraviolet radiation from the stars.
d)
debris ejected from the Moon.
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)
solar winds.
solar winds.
solar winds.
c)
ultraviolet radiation.
d)
changes in temperature.
5.
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.
6.
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.
7.
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.
8.
Earth’s atmosphere contains water vapor and carbon dioxide. These greenhouse gases are important because they -
a)
are substances animals need to breathe.
b)
trap thermal energy in the atmosphere.
c)
protect against magnetic particles.
d)
create Earth’s gravitational field.
9.
The ozone layer is degraded by certain chemicals that create holes in the ozone layer. If the presence of these chemicals significantly increases, it is reasonable to predict that organisms would -
a)
have a difficult time breathing.
b)
experience colder temperatures.
c)
be more exposed to ultraviolet radiation.
d)
run out of drinking water.
10.
Protects life on Earth from harmful particles from solar winds
a)
Distance from the Sun
b)
Magnetic field
c)
Atmosphere
d)
Water
11.
Keeps Earth’s temperature stable and cool
a)
Distance from the Sun
b)
Magnetic fields
c)
Atmosphere
d)
Water
12.
71% of Earths surface is covered in...
a)
Water
b)
Oxygen
c)
Land
d)
Carbon Dioxide
13.
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.
14.
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
15.
The protective gear that protects astronauts from the cold, airless environment of space
a)
Space station
b)
Space suit
c)
Accommodations
d)
Instruments
16.
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.
17.
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
18.
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
19.
Which of the following helps astronauts move from one area to another inside of a spaceship?
a)
Special handles
b)
Jet packs
c)
Swimming strokes
d)
Conveyor belts
20.
Who is the greatest superhero of all time?
a)
The Flash
b)
Thor
c)
Iron Man
d)
Captain America
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