Worksheets6th Grade Pollution Test Review
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
Which is not a result of development:
a)
Decrease in farmland
b)
Decrease in wildlife habitats
c)
Increase in homes and buildings
d)
Increase in cropland
2.
Which is not true about incineration?
a)
It refers to the burning of solid waste
b)
It can be used to generate electricity
c)
It gets rid of solid waste completely
d)
It is a cheap way to handle solid waste after the facility is built.
3.
Which is not true about recycling
a)
It conserves resources
b)
It saves energy
c)
It can be used for all types of solid waste
4.
Which is not true about Earth’s water supply?
a)
Fresh water is a scarce resource
b)
97% of the Earth’s water is salt water
c)
Salt water cannot be used for drinking or
watering crops
d)
75% of all Earth’s water is frozen
5.
Pollutants that are released into the air are called:
a)
emission
b)
leachates
c)
sewage
d)
sediment
6.
a mixture of rock fragments, nutrients, water, air and decaying matter
a)
litter
b)
topsoil
c)
subsoil
d)
bedrock
7.
the rock that makes up the earth’s crust
a)
litter
b)
topsoil
c)
subsoil
d)
bedrock
8.
above the bedrock; contains less decaying matter
a)
litter
b)
topsoil
c)
subsoil
d)
bedrock
9.
the very top layer; contains dead leaves and grass
a)
litter
b)
topsoil
c)
subsoil
d)
bedrock
10.
The removal of nonrenewable resources from the land is called
a)
pollution
b)
mining
c)
poaching
d)
pilfering
11.
________________ are formed when rainwater dissolves waste from a landfill.
a)
Pollutants
b)
Methane
c)
Leachate
d)
Emmisions
12.
_________________________ is the water stored in soil and rock beneath the Earth’s surface.
a)
groundwater
b)
saltwater
c)
freshwater
d)
storage water
13.
Precipitation that can break down rock and metal because of air pollution is called ____________________.
a)
leachate
b)
acid rain
c)
CFC's
d)
emissions
14.
Scientists determined the major cause of the ozone hole is a group of gases called _________________.
a)
emissions
b)
leachates
c)
CFC's
d)
acid rain
15.
The process by which water, wind or ice move particles of rock or soil is called ________________________.
a)
breakdown
b)
strip mining
c)
shaft mining
d)
erosion
16.
The process of soil becoming less fertile is called _________________________________.
a)
land reclamation
b)
desertification
c)
nutrient depletion
d)
desertifying
17.
A substance that can be broken down and recycled by bacteria and other decomposers is said to be ___________________________.
a)
biodegradable
b)
natural resource
c)
non-renewable
d)
biological
18.
Water and human waste that are washed down sinks, toilets, and showers are called _______________________.
a)
wastewater
b)
sewage
c)
leachates
d)
poo water
19.
A thick brownish haze formed when certain gases in the air react with sunlight is called ___________________.
a)
steam
b)
acid rain
c)
ozone
d)
photochemical smog
20.
Strip mining involves carrying minerals up through shafts dug in the ground.
a)
true
b)
false
21.
The three “R’s” to controlling solid waste are reduce, recycle, and reclaim.
a)
true
b)
false
22.
Overuse of fertilizers can lead to eutrophication.
a)
true
b)
false
23.
Radon is a colorless, odorless radioactive gas that forms underground.
a)
true
b)
false
24.
In the past 50 years, desertification has occurred on about 5 billion hectares of land.
a)
true
b)
false
100 %
