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WorksheetsSAVE OUR PLANET
Total questions: 20
Worksheet time: 13mins
Name
Class
Date
1.
Addition of impure substances to the environment is known as___________.
a)
pollution
b)
conservation
c)
erosion
2.
Which of these problems can be caused by air pollution?
a)
Respiratory problems
b)
Reduced food sources for humans
c)
Increased disease for humans
d)
Decrease in global temperatures
3.
The ozone layer protects us from
a)
UV rays
b)
CFCs
c)
Increased atmospheric heat
d)
Decreased atmospheric heat
4.
The ozone layer is damaged by
a)
CFCs
b)
Increase in greenhouse gases
c)
Increased global temperatures
d)
Sulfuric and nitric acids
5.
___ is everything that makes up the surroundings of a living thing.
a)
Environment
b)
Biodegradable Waste
c)
Pollution
d)
Atmosphere
6.
The burning of fuels in houses, factories, and vehicles adds smoke and poisonous substances to the environment, causing ____.
a)
Air pollution
b)
Water pollution
c)
Land pollution
d)
Waste
7.
Waste from our homes and factories are dumped into rivers, lakes, and seas, causing ____.
a)
Air pollution
b)
Water pollution
c)
Land pollution
d)
Waste
8.
Increasing levels of carbon dioxide in the air is believed to cause ___.
a)
Global Warming
b)
Water Pollution
c)
Non-biodegradable waste
d)
Recycling
9.
Land pollution is also caused by excessive use of ___.
a)
Electricity
b)
Noise
c)
Pesticides
d)
Cars
10.
Leaves and paper are examples of ___.
a)
Biodegradable waste
b)
Non-biodegradable waste
11.
__________ means to use something old to make something new.
a)
reduce
b)
reuse
c)
recycle
12.
Most water pollution is the result of
a)
human activities.
b)
drought.
c)
volcanic eruptions.
d)
storms.
13.
What is the unit that is used to measure the intensity of sound?
a)
decibel
b)
frequency
c)
Hertz
d)
wavelength
14.
................should be created around hospitals
a)
schools
b)
silent zone
c)
ground
15.
A sound which is not pleasing your ears
a)
Audible sound
b)
Music
c)
Noise
16.
Which type of soil conservation strategy is being used in this picture?
a)
windbreakers
b)
contour farming
c)
planting of vegetation
d)
terrace farming
17.
What is conservation?
a)
Saving natural resources.
b)
Watching television throughout the day.
c)
Using natural and human resources.
d)
Leaving the watering running.
18.
The three R's stand for:
a)
Rebuild, Reconstruct, Reuse
b)
Red, Reduce, Rainbows
c)
Reduce, Reuse, Recycle
19.
When the wind is used to make energy, it is called...
a)
wind energy.
b)
windmills.
c)
windy days.
d)
free energy!
20.
Using the sun to make electricity...
a)
is called solar energy.
b)
is an easy way to make electricity.
c)
should be done by everyone.
d)
is a free way to make electricity.
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