Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Save Earth

Total questions: 30

Worksheet time: 16mins

Name
Class
Date
1.

We should not burn wood and rubbish, because burning produces a lot of _______.

a)

dust

b)

ashes

c)

smoke

d)

fog

2.

_______ is the long-term rise in the average temperature of the Earth's climate system.

a)

Greenhouse effect

b)

Life cycle

c)

Global warming

d)

Changing weather

3.

Reduce means _______.

a)

Using trash to remake new goods that can be sold again.

b)

Finding a new way to use trash so that we don’t have to throw it out.

c)

Cutting back on the amount of trash we make.

d)

Part of 'The 3R concept'.

4.

Recycle means _______.

a)

Using trash to remake new goods that can be sold again.

b)

Finding a new way to use trash so that we don’t have to throw it out.

c)

Cutting back on the amount of trash we make.

d)

Part of 'The 3R concept'.

5.

The correct statement about saving water is _______.

a)

to turn off electrical equipment when they are not in use

b)

taking a walk or cycle to a nearby place

c)

to collect rainwater and use it to wash the floor outside your house

d)

pack items that can be recycled and bring them to a recycling center

6.

The correct statement about saving energy is _______.

a)

to turn off electrical equipment when they are not in use

b)

taking a walk or cycle to a nearby place

c)

to collect rainwater and use it to wash the floor outside your house

d)

pack items that can be recycled and bring them to a recycling center

7.

The correct way for keeping our air clean is _______.

a)

turning off electrical equipment when they are not in use

b)

to take a walk or cycle to a nearby place

c)

to collect rainwater and use it to wash the floor outside your house

d)

pack items that can be recycled and bring them to a recycling center

8.
What are the pollutants known to cause acid rain?
a)
nitrogen oxides and sulfur dioxide (sulfur compounds)
b)
Low pH and Acid
c)
Lemon Juice and Battery Acid
d)
Particulate Matter and Carbon Dioxide
9.
CFC's cause harm to our 
a)
Troposphere
b)
Inversion Layer
c)
Ozone Layer
d)
Carbon Dioxide
10.

When the Ozone Layer loses Ozone what happens to organisms on the earth's surface?

a)

They are exposed to Smog

b)

Nothing happens

c)

They are exposed to Acid Rain

d)

They are exposed to Ultraviolet B Radiation

11.
These are two ways people can reduce air pollution.
a)
Drive vehicles that get low gas mileage / Burn trash at home
b)
Burn less fossil fuels / walk and ride bikes
c)
Create major forest fires / Use CFC's
d)
Burn styrofoam at landfills / Use more chlorine
12.
Select the natural form of air pollution.
a)
CFC's
b)
Burning Fossil Fuels
c)
Forest Fires
d)
Paints and Solvents
13.
A colorless, odorless gas that decreases the blood's ability to carry oxygen.  Can cause faintness, death.
a)
Nitrogen oxides
b)
Ground-level ozone
c)
Carbon monoxide
d)
Sulfur dioxide
14.

A type of pollution found both indoors and outdoors, which includes pollen, dander, soot, carbon, and dust.

a)

Water droplets

b)

Allergens

c)

Particulate matter

d)

Combustibles

15.

A factory near our house can affect our health.

a)

true

b)

false

16.
Global warming is due to 
a)
Greenhouse gases
b)
Nitric and sulfuric acids
c)
CFCs
d)
Ozone depletion
17.
Which of the following are greenhouse gases?
a)
Carbon dioxide
b)
Methane
c)
Water vapor
d)
All answers are correct
18.
This picture shows people walking through a highly-polluted city in China. From what type of pollution are they protecting themselves based on what they are wearing?

a)
air pollution
b)
water pollution
c)
land pollution
d)
noise pollution
19.

What is a major effect to the environment of combusting (burning) plastic?

a)

It releases toxic chemicals and fumes

b)

It is smelly

c)

It is an eyesore

d)

Animals step on and it is hot so it will damage their paws.

20.

What do we call large areas where garbage is placed on the land?

a)

Landfills

b)

Mines

c)

Trashlands

d)

Landmines

e)

Garbagelands

21.

The leaking or spilling of chemicals or raw sewage into a body of water is ________ pollution.

a)

air

b)

water

c)

land

22.
To reduce pollution in the environment, people should ______________ materials.
a)
recycle
b)
pollute
c)
throw away
d)
clean
23.

The picture above is the example of .....

a)

Biodegradable waste

b)

Non-Biodegradable waste

24.

Which one is the example of Non-Biodegradable waste?

a)
b)
c)
d)
25.
Biodegradable waste can be transformed into fertilizer by a process called ____.
a)
Composting
b)
Recycling
c)
Reusing
d)
Wasting
26.

Why are non-biodegradable plastics a problem in the environment?

a)

They do not decompose or break down naturally

b)

They can cause dead zones

c)

They are filling up lakes and ponds

d)

They contain poisons for wildlife

27.

Which of the following is not a natural cause of water pollution?

a)

Volcanoes

b)

Animal waste

c)

Oil spills

d)

Silt from storms and floods

28.

What does "potable" mean?

a)

Safe to drink

b)

Frozen

c)

Liquid water

d)

Dirty water

29.

What is water desalination?

a)

process of converting sea water into clean drinking water

b)

wasting water

c)

collecting rain water

d)

building dams and resorvoirs

30.

Why should we do rain water harvesting?

a)

To play in water

b)

To save water