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Life on Other Planets

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.
Compared to other planets, what makes Earth special?
a)
water
b)
life
c)
oxygen
d)
an atmosphere
2.
Things with the ability to react, grow, reproduce and change are called ___
a)
plants
b)
planets
c)
life
d)
animals
3.
As far as we know, what is the only planet that has life?
a)
Venus
b)
Jupiter
c)
Earth
d)
Saturn
4.
At the top of the list of things we don't know is the question, "_____"
a)
"What are black holes?"
b)
"How big is the universe?"
c)
"How big is the Milky Way?"
d)
"Are we alone?"
5.
What is the basis of all the world's food chains?
a)
the Sun
b)
plants
c)
fossil fuels
d)
electricity
6.
Earth's orbit around the Sun is in a "sweet spot" because ___
a)
it allows water to exist mainly in liquid form
b)
it's cold enough to keep water frozen
c)
it's hot enough to turn all water to vapor
d)
it takes 365 days to orbit
7.
Plants take energy from the Sun and turn it into ___
a)
electrical energy
b)
rabbits
c)
chemical energy
d)
warmth to survive
8.
What does life on Earth NOT need to survive?
a)
food
b)
methane
c)
water
d)
warmth
9.
A useful material that can be drawn from when needed is called ___
a)
a resource
b)
a fossil fuel
c)
liquid methane
d)
heat vents
10.
No matter what aliens look like, their food chains would seem ___
a)
very different
b)
a little bit different
c)
a little bit familiar
d)
very familiar
11.
Life on other planets would still have food chains that had ___
a)
scavengers, consumers and decomposers
b)
producers, scavengers and decomposers
c)
producers, consumers and scavengers
d)
producers, consumers and decomposers