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2020 EnviSci Midterm

Total questions: 70

Worksheet time: 35mins

Name
Class
Date
1.

What term describes a social movement dedicated to protecting the natural world from undesirable changes brought about by human actions?

a)

the environment

b)

ecological footprint

c)

environmentalism

d)

environmental science

2.

Which of the following is an example of a renewable natural resource?

a)

oil

b)

coal

c)

solar power

d)

copper

3.

Which of the following is not a use for fossil fuels?

a)

running factories

b)

heating our homes

c)

fueling cars

d)

oil to make lotions

4.

Which step is at the beginning of the scientific method?

a)

performing an experiment

b)

forming a hypothesis

c)

asking a question

d)

drawing a conclusion

5.

The group where nothing changes

a)

Control Group

b)

Experimental Group

6.

The group with the thing being tested

a)

Control Group

b)

Experimental Group

7.

The variable that is changed at the beginning of an experiment

a)

control variable

b)

independent variable

c)

dependent variable

8.

The variable that is kept the same between groups

a)

control variable

b)

independent variable

c)

dependent variable

9.

Why should experiments be repeated multiple times?

a)

To cause fights

b)

So you can make fake data

c)

To make sure that your data is accurate

d)

Because science is fun!

10.

The variable that is measured at the end of an experiment

a)

control variable

b)

independent variable

c)

dependent variable

11.

What is the last step of the scientific method?

a)

Perform experiment

b)

Draw conclusions

c)

Communicate results

d)

Form a hypothesis

12.

Where do our resources come from?

a)

households

b)

cities

c)

the environment

d)

factories

13.

Why might a company want to label their products as environmentally friendly?

a)

People might be more likely to buy it

b)

It shows that the product costs more

c)

It shows that the product is unsustainable

d)

Sustainable products are not taxed

14.

When making laws, the government interacts with

a)

All of these

b)

organizations

c)

businesses

d)

citizens

15.

Because resources are limited, the economy will

a)

not grow forever

b)

grow forever

c)

stop using resources

d)

become strong

16.

What part of the government WRITES environmental laws?

a)

Congress (House of Representatives and Senate)

b)

Environmental Protection Agency

c)

Central Intelligence Agency

d)

Supreme Court

17.

What layer of the Earth is the most dense?

a)

Lithosphere

b)

Asthenosphere

c)

Mesosphere

d)

Core

18.

What layer of the Earth is the coldest?

a)

Asthenosphere

b)

Lithosphere

c)

Mesosphere

d)

Core

19.

In a convection current, the _________ heats the magma, which ___________

a)

core, rises then sinks

b)

core, rises through crust

c)

mantle, rises then sinks

d)

mantle, rises through crust

20.

Tectonic plates are sections of the

a)

lithosphere

b)

mesosphere

c)

asthenosphere

d)

hot spots

21.

Which of these means "rock"?

a)

geo

b)

hydro

c)

bio

d)

thermo

22.

How do mountains form?

a)

erosion

b)

transform tectonic plates

c)

convergent tectonic plates

d)

divergent tectonic plates

23.

Which of these is not associated with convergent plates?

a)

volcanoes

b)

earthquakes

c)

subduction

d)

rift valleys

24.

Which describes how strong an earthquake is?

a)

location

b)

frequency

c)

duration

d)

magnitude

25.

A rock formed from lava would be considered

a)

igneous

b)

sedimentary

c)

metamorphic

26.

A rock formed from heat and pressure would be

a)

metamorphic

b)

igneous

c)

sedimentary

27.

A rock formed from sand would be considered

a)

igneous

b)

sedimentary

c)

metamorphic

28.

Water evaporating off of leaves

a)

transpiration

b)

percolation

c)

infiltration

d)

photosynthesis

29.

The formation of clouds from water vapor

a)

evaporation

b)

condensation

c)

precipitation

d)

transpiration

30.

Water loses heat energy (cools down) when it goes through

a)

condensation

b)

precipitation

c)

infiltration

d)

evaporation

31.

Which one is not a part of the hydrosphere?

a)

river

b)

ocean

c)

ozone layer

d)

groundwater

32.

Which one has fresh water?

a)

Ocean

b)

Bay

c)

Stream

d)

Sea

33.

What percentage of the Earth is saltwater?

a)

2.5%

b)

97.5%

c)

50%

d)

75%

34.

A place where all water ends up in a given area

a)

aquifer

b)

watershed

c)

groundwater

d)

river

35.

Which of these sources of water would be the cleanest?

a)

groundwater

b)

puddle

c)

stream

d)

slush

36.

An underground lake that stores water

a)

aquifer

b)

watershed

c)

groundwater

d)

percolation

37.

Which ocean is the largest?

a)

Pacific

b)

Atlantic

c)

Indian

d)

Southern

38.

Salinity is the measurement of the __________ of the ocean

a)

Saltiness

b)

pH

c)

Temperature

d)

Algae

39.

What ocean is closest to us?

a)

Pacific

b)

Southern

c)

Indian

d)

Atlantic

40.

Water at the same latitude is always the same temperature

a)

True

b)

False

41.

A thermocline gets ___________ as depth increases in the ocean

a)

colder

b)

warmer

42.

What does ocean acidification do?

a)

Puts CO2 in the air

b)

Puts salt in the ocean

c)

Dissolves shellfish and corals

d)

Makes the ocean burn

43.

Why is the ocean important for temperature regulation on Earth?

a)

Water can store more heat energy than air

b)

Water attracts solar radiation better than land

c)

Carbon dioxide dissolves in the ocean

d)

The greenhouse effect only happens over land

44.

Brackish water is...

a)

dirty

b)

partially salty

c)

full of algae

d)

acidic

45.

Which of the following is true?

a)

Currents leaving the equator are warm

b)

Currents leaving the equator are cold

c)

Currents leaving the poles are warm

d)

All of these

46.

Which atmospheric layer is the least dense

a)

troposphere

b)

stratosphere

c)

mesosphere

d)

exosphere

47.

Which atmospheric layer has the most pressure

a)

troposphere

b)

stratosphere

c)

mesosphere

d)

exosphere

48.

What does the ozone layer do?

a)

Blocks UV radiation

b)

Climate Change

c)

The greenhouse effect

d)

Gravity

49.

Without the greenhouse effect, Earth's atmosphere would be _________ to support life.

a)

Too hot

b)

Too cold

c)

Too wet

d)

Lacking the oxygen

50.

Which of the following is not a source of greenhouse gases?

a)

Cow farts

b)

Car exhuast

c)

Factories

d)

Cutting down trees

51.

Which is not a method of transferring heat?

a)

conduction

b)

convection

c)

radiation

d)

condensation

52.

The ozone hole was caused by which chemical?

a)

chloroflorocarbons

b)

carbon dioxide

c)

methane

d)

sulfuric acid

53.

What does CO2 do in the atmosphere?

a)

Allows us to breathe

b)

Blocks UV rays

c)

Keeps us warm

d)

Drives the water cycle

54.

Oxygen is the ____ most common gas in the atmopshere

a)

1st

b)

2nd

c)

3rd

d)

4th

55.

Which one is not a method of heat transfer?

a)

Radiation

b)

Conduction

c)

Convection

d)

Cyclation

56.

Weather is _________; climate is _________

a)

long term, long term

b)

long term, short term

c)

short term, short term

d)

short term, long term

57.

The amount of water vapor in the air

a)

temperature inversion

b)

humidity

c)

radiation

d)

convection

58.

The air reaches dewpoint when...

a)

humidity reaches 100%

b)

humidity reaches 0%

c)

the sun starts to rise

d)

the air starts to freeze

59.

Air getting pushed out of an area

a)

High pressure

b)

Low pressure

c)

Warm front

d)

Cold front

60.

Cold air pushing against warm air

a)

Warm front

b)

Cold front

c)

high pressure

d)

low pressure

61.

What is used to clean dirty air coming from cars?

a)

catalytic converter

b)

air scrubber

c)

inversion

d)

chlorofluorocarbon

62.

What chemical made the hole in the ozone layer?

a)

chlorofluorocarbon

b)

carbon dioxide

c)

methane

d)

sulfur dioxide

63.

Which of these involves exposure to UV rays?

a)

walking through fire

b)

staying in a tanning bed

c)

getting stuck in a fever

d)

being trapped in a vacuum

64.

Which of these do we breathe?

a)

CO2

b)

CH4

c)

H2O

d)

O2

65.

Which is natural pollutant?

a)

A volcano

b)

Truck exhaust

c)

Air from an apartment

d)

Pollution from a factory

66.

Which is NOT a primary pollutant?

a)

smog

b)

acid rain

c)

vehicle exhaust

d)

smoke from a factory

67.

Where does most air pollution come from?

a)

forest fires

b)

burning fossil fuels

c)

natural processes

d)

ozone layer

68.

Where is the hole in the ozone layer?

a)

Antarctica

b)

Montreal

c)

Russia

d)

The United States

69.

Which of these banned CFCs?

a)

Paris Climate Accord

b)

Clean Air Act

c)

Environmental Protection Act

d)

Montreal Protocol

70.

Why is acid rain bad?

a)

kills plants

b)

erodes statues and buildings

c)

kills aquatic life

d)

all of these

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