6th Grade- Unit 8 Pollution Question Preview (ID: 35332)
Pollution, Human Population Growth.
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The introduction of contaminants into an environment that causes harm to human health, other living organisms and the environment is called
a) smog
b) pollution
c) plague
d) disease
noise and light can be considered pollution
a) true
b) false
c)
d)
Which is NOT a form of natural air pollutants?
a) burning gasoline
b) dust from wind storms
c) smoke from forest fires
d) erupting volcanoes
the cloud of smog that can be seen coming from a factory goes
a) into the atmosphere and disappears
b) into the water
c) into the air we breathe
d) back into the factory
__________ is crucial to every living thing on earth
a) oxygen
b) water
c) food
d) air pollution
What is not an effect of chemicals entering the water?
a) humans are at risk
b) fish and other animals die
c) bacteria contaminates the water
d) the water is cleaner because of the chemicals
The most obvious form of pollution that we can see
a) land pollution
b) air pollution
c) water pollution
d) none of these
waste that can corrode, catch fire, explode, or make people sick are called
a) harmful waste
b) explosive waste
c) hazardous waste
d) dangerous waste
The average american throws away about ____ pounds of garbage per week
a) 56
b) 80
c) 15
d) 26
This country throws away more garbage than any country in the world
a) Armenia
b) America
c) Argentina
d) Africa
People living in big cities may not be able to see stars at night because of
a) noise pollution
b) light pollution
c) water pollution
d) land pollution
which of these is considered a renewable resource?
a) coal
b) oil
c) wind
d) natural gas
Today there are about ___ billion people living on Earth
a) 8 billion
b) 1 billion
c) 2 billion
d) 6 billion
Experts estimate that by 2050 there may be as many as ___ billion people living on Earth
a) 6 billion
b) 8 billion
c) 10 billion
d) 12 billion
Every habitat has several types of plants, animals, and organisms that within it. This is called ...
a) ecology
b) biodiversity
c) community
d) populations
clear cutting a forest to build new homes for people is an example of
a) habitat destruction
b) pollution
c) biodiveristy
d) habitat conservation
removing all of the trees from an area is called
a) tree cutting
b) deforestation
c) habitat clearing
d) wood chopping
The extracting of valuable minerals or other geological materials from the earth is called
a) deforesting
b) trawling
c) mining
d) agriculture
the careful utilization of Earth's Natural resources in order to prevent them from being used up forever is called
a) reducing
b) conservation
c) reusing
d) recycling
which of these is not one of the three ways we can conserve resources
a) reduce
b) resue
c) reclaim
d) recycle
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