WorksheetsB1 Upper - Unit 6 - Reading 2 Vocabulary Review
Total questions: 16
Worksheet time: 5mins
Name
Class
Date
1.
Water is _____, but ice is not.
a)
liquid
b)
trapped
c)
level
2.
The _____ on Mars is very cold, and there are no plants.
a)
release
b)
lack
c)
environment
3.
The ______ of water on Mars is a problem. Humans need water to survive.
a)
lack
b)
liquid
c)
average
4.
The environment on Mars is not good for ______. They can't grow on Mars's surface.
a)
plants
b)
release
c)
levels
5.
The ______ temperature on Mars is low. It is colder than Earth.
a)
average
b)
trapped
c)
liquid
6.
Also, the ______ of oxygen is low. There is not enough for people to breathe.
a)
level
b)
environment
c)
average
7.
Scientists know there is carbon dioxide ______ in the ice on Mars. It can't get out.
a)
release
b)
lack
c)
trapped
8.
Scientists need to find a way to ______ the carbon dioxide from the ice.
a)
average
b)
release
c)
environment
9.
Water is a(n) (a) that humans and other animals need to live.
10.
When the (a) of air pollution is very high, cars are not allowed to drive into the city center.
11.
As it is now, the (a) on Mars is not suitable for human life.
12.
The (a) temperature of Mars is much lower than Earth's.
13.
On Earth, there is fresh water (a) in ice.
14.
Carbon dioxide is something (a) need to make food.
15.
Plants (a) oxygen into the air, making it possible for humans to breathe.
16.
The (a) of rain these past few months has made the earth dry.
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