WorksheetsL71 (G9) Global Climate Change
Total questions: 9
Worksheet time: 7mins
Name
Class
Date
1.
Earth's current atmosphere is _?_.
a)
78% nitrogen, 21% oxygen, 0.9% argon and 0.037% carbon dioxide
b)
78% oxygen, 21%nitrogen, 0.9% argon, 0.037% carbon dioxide
c)
78% nitrogen, 21% argon, 1% oxygen
d)
78% oxygen, 21% nitrogen, 1% carbon dioxide
2.
What makes up 99% of the atmosphere?
a)
nitrogen
b)
oxygen
c)
carbon dioxide
d)
nitrogen and oxygen together
3.
What does ozone in the atmosphere do?
a)
It absorbs and traps heat energy.
b)
It provides a place for water vapor to condense.
c)
It protects against harmful UV radiation.
d)
It helps plants grow.
4.
As you increase in altitude, pressure _?_.
a)
increases
b)
decreases
c)
remains the same
5.
What is the most common gas in the atmosphere?
a)
nitrogen
b)
oxygen
c)
water vapor
d)
carbon dioxide
6.
The _____ protects us from Earth's harmful UV rays.
a)
Ozone
b)
Troposphere
c)
Clouds
d)
Exosphere
7.
Which of the following is one of the trace gases found in Earth’s atmosphere?
a)
gold
b)
nitrogen
c)
oxygen
d)
carbon dioxide
8.
Explain how the ozone layer helps life on Earth?
a)
Produces oxygen for atmosphere.
b)
Protects Earth from meteors.
c)
Absorbs damaging radiation from the sun.
d)
Reflects most of the sun's radiation to keep Earth cool.
9.
The source of energy that drives air movement in the atmosphere is the:
a)
Sun
b)
Oceans
c)
Moon
d)
Ionosphere
100 %
