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Chapter 3 Our Planet Earth

Total questions: 51

Worksheet time: 26mins

Name
Class
Date
1.

Earth's Atmosphere is important to living things because it

a)

is very thin compared to the size of Earth

b)

contains dust

c)

maintains a constant temperature

d)

provides all the gases needed

2.

The two most abundant gases in the atmosphere are

a)

Nitrogen and Hydrogen

b)

Nitrogen and Oxygen

c)

Carbon dioxide and Nitrogen

d)

Carbon dioxide and Oxygen

3.

The layer of our atmosphere in which weather occurs is the

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

4.

Atmosphere is

a)

the layer that contains the ozone layer

b)

the layer of water in the oceans

c)

the layer in which the weather occurs

d)

the layer of gases that surrounds the Earth

5.

Any form of water that falls from clouds is called:

a)

precipitation

b)

evaporation

c)

dew

d)

condensation

6.

When a rapidly moving cold air mass runs into a slow moving warm air mass, the result is a(an)

a)

warm front

b)

stationary front

c)

occluded front

d)

cold front

7.

When a warm air mass and a cold air mass meet and no movement occurs, the result is a (an):

a)

warm front

b)

occluded front

c)

stationary front

d)

cold front

8.

People who study weather and try to predict it are called

a)

meteorologists

b)

astronomers

c)

weather forecasters

d)

climatologists

9.

Large clouds with vertical development that produce rain are

a)

cirrus clouds

b)

stratus clouds

c)

cumulonimbus clouds

d)

altostratus clouds

10.

Very high feathery clouds are called:

a)

cumulonimbus clouds

b)

nimbostratus clouds

c)

stratus clouds

d)

cirrus clouds

11.

On weather maps, the symbol, a line with half circles, indicates

a)

a hurricane

b)

a cold front

c)

a warm front

d)

snow

12.

When a warm air mass overtakes a cold air mass, it forms a(an)

a)

occluded front

b)

stationary front

c)

warm front

d)

cold front

13.

The two main factors that determine the climate of a region are

a)

altitude and pressure

b)

pressure and temperature

c)

temperature and pressure

d)

temperature and precipitation

14.

The condition of the atmosphere at a particular time and place

a)

precipitation

b)

a bad day

c)

weather

d)

climate

15.

An example of a middle level cloud is:

a)

cumulus

b)

cirrostratus

c)

altostratus

d)

cirrus

16.

Air that is moving is called:

a)

wind

b)

humidity

c)

a front

d)

atmosphere

17.

The percentage of water vapor in the air compared to the maximum amount the air can hold is called:

a)

a front

b)

forecast

c)

a snow storm

d)

relative humidity

18.

On weather maps, the symbol, a line with upside down ice cream cones on it, symbolizes what?

a)

a cold front

b)

a snow storm

c)

an occluded front

d)

a warm front

19.

All of the following are types of weather disasters EXCEPT:

a)

a severe snow storm

b)

a tornado

c)

a car accident

d)

a hurricane

20.

The degree of heat or cold in something is called temperature.

a)

True

b)

False

21.

A funnel-shaped cloud that touches Earth's surface is called a hurricane.

a)

True

b)

False

22.

A forecast is the prediction of weather in the future.

a)

True

b)

False

23.

The place where two air masses meet is called a front.

a)

True

b)

False

24.

High clouds are made up primarily of ice crystals.

a)

True

b)

False

25.

The first step in the Scientific Method is to Identify a Question or Problem.

a)

True

b)

False

26.

Precipitation is rain, snow, or any other moisture that falls from the sky.

a)

True

b)

False

27.

People live in the thermosphere.

a)

True

b)

False

28.

Water vapor in the atmosphere that condenses and falls to Earth is measured with a psychrometer.

a)

True

b)

False

29.

During a tornado, the basement is the safest place to be.

a)

True

b)

False

30.

In a flood, you should move to lower ground and play in the flood waters.

a)

True

b)

False

31.

If you are caught in a snowstorm, you should seek shelter from the wind.

a)

True

b)

False

32.

Tornadoes form within large cumulonimbus clouds.

a)

True

b)

False

33.

The water cycle is a closed-loop process.

a)

True

b)

False

34.

A barometer measures the amount of precipitation.

a)

True

b)

False

35.

What is the difference between weather and climate?

a)

Weather is the atmospheric conditions at a particular time and place. Climate is the average weather over a long period of time.

b)

Climate is the atmospheric conditions at a particular time and place. Weather is the average weather over a long period of time.

c)

Weather is precipitation. Climate is clouds.

d)

Climate is what happens when an earthquake occurs. Weather is hurricane.

36.

What is a person that forecasts the weather called?

a)

Climatologist

b)

Psychologist

c)

Meteorologist

d)

Physicist

37.

How is a High Pressure system represented on a weather map?

a)

Big Red H

b)

Big Red L

c)

Big Blue W

d)

Big Blue H

38.

How is a Low Pressure system represented on a weather map?

a)

Big Red L

b)

Big Red W

c)

Big Blue L

d)

Big Red H

39.

What is the amount of water vapor in the air called?

a)

Humidity

b)

Precipitation

c)

Air Mass

d)

Relative humidity

40.

At what sustained wind speed does a tropical storm become a hurricane?

a)

200 mph

b)

50 mph

c)

114 mph

d)

74 mph

41.

What is a violent rotating column of air extending from a thunderstorm to the ground called?

a)

Hurricane

b)

Winter storm

c)

Tornado

d)

Flood

42.

Are hurricanes, typhoons, and cyclones the names of the same storms?

a)

Yes

b)

No

43.

Flooding conditions are actually occurring in the warning area. This is called:

a)

Flash flood warning

b)

Hail

c)

Flood warning

d)

Sleet

44.

What is this a picture of?

a)

thermometer

b)

barometer

c)

hygrometer

d)

psychrometer

45.

What weather instrument is pictured here?

a)

thermometer

b)

psychrometer

c)

barometer

d)

anemometer

46.

A sling psychrometer measures relative humidity. Which instrument below is a sling psychrometer?

a)
b)
c)
d)
47.

What does an anemometer measure?

a)

water level

b)

wind speed

c)

precipitation

d)

clouds

48.

What is this weather instrument called?

a)

A thermometer

b)

An anemometer

c)

a psychrometer

d)

a rain gauge

49.

A Nor'easter is a mild storm producing a bit of rain.

a)

True

b)

False

50.

The name of our pet in Science class is:

a)

Squiddy

b)

Squirrly

c)

Scooby

d)

Squishy

51.

What weather instrument is used to measure humidity in the atmosphere?

a)

anemometer

b)

hygrometer

c)

thermometer

d)

barometer