THIS
IS
With Your
Host...
AWater on
Earth
BWeather
Tools
C-
Water
Cycle
DAir Masses
ETeacher’s
Choice
100
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200
200
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300
300
300
300
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400
400
400
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500
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500
500
How much of Earth’s surface is
water?
A- 1/3
B- 1/2
C- 3/4
D- 7/8
A 100
How much of Earth’s surface is
water?
C- 3/4
A 100
How are ocean water and fresh water
different?
A- Oceans are warmer than freshwater.
B- Ocean water is salty and fresh
water is not.
C- Freshwater has minerals in it and
ocean water does not.
A 200
How are ocean water and fresh water
different?
B- Ocean water is salty and fresh
water is not.
A 200
Why is the Baltic Sea less salty than
other seas?
A- Water travels quickly through the
Baltic Sea.
B- Deserts surround the Baltic Sea.
C- The Baltic Sea is in a warm place.
D- Many rivers flow into the Baltic
Sea.
A 300
Why is the Baltic Sea less salty than
other seas?
D- Many rivers flow into the Baltic
Sea.
A 300
What fraction of Earth’s water is
usable fresh water?
A- ¾
B- 97/100
C- 2/100
D- 1/100
A 400
What fraction of Earth’s water is
usable fresh water?
D- 1/100
A 400
Where does the salt found in oceans
come from?
A- the salt shaker
B- material dissolved from rocks and
soils
C- oceans
D- evaporating salt water
A 500
Where does the salt found in oceans
come from?
B- material dissolved from rocks and
soils
A 500
What can you use to measure wind
speed?
A- barometer
B- thermometer
C- wind vane
D- anemometer
B 100
What can you use to measure wind
speed?
D- anemometer
B 100
Which of these will measure air
pressure?
A- humidity
B- anemometer
C- barometer
D- thermometer
B 200
Which of these will measure air
pressure?
C- barometer
B 200
What tool can measure wind
direction?
A – wind vane
B- anemometer
C- thermometer
D- barometer
B 300
What tool can measure wind
direction?
A – wind vane
B 300
DAILY
DOUBLE
What might happen if Earth’s average
temperature increases by a few
degrees?
A- We will enter an ice age.
B- The polar ice caps might melt.
C- There will be more salt water.
D- There will be more fossil fuels.
B 400
What might happen if Earth’s average
temperature increases by a few
degrees?
B- The polar ice caps might melt.
B 400
What do curved lines on a weather
map represent?
A- areas with hills
B- areas with clouds
C- areas with similar air pressure
D- areas with thunderstorms
B 500
What do curved lines on a weather
map represent?
C- areas with similar air pressure
B 500
What is the Sun’s role in the energy
cycle?
A- Water evaporates in the Sun’s
warmth.
B- The sun makes water particles slow
down.
C- The Sun’s warmth changes water
from a gas to a liquid.
C 100
What is the Sun’s role in the energy
cycle?
A- Water evaporates in the Sun’s
warmth.
C 100
What is condensation?
A- rain becoming water vapor when
it warms
B- ice becoming liquid as it warms
C- water vapor becoming liquid
water as it cools
D- rain becoming ice when it cools
C 200
What is condensation?
C- water vapor becoming liquid
water as it cools
C 200
How will air at the top of a mountain be
different than air at the base of the
mountain?
A- Air pressure will be lower at the top.
B- Air pressure will be higher at the top.
C- Air at the top will be denser.
D- Air at the top will contain less mass.
C 300
How will air at the top of a mountain be
different than air at the base of the
mountain?
A- Air pressure will be lower at the top.
C 300
Which best describes the water cycle?
A- the movement of water between land
and water
B- the movement of water between
Earth’s surface and the atmosphere
C- the movement of clouds in the
atmosphere
C 400
Which best describes the water cycle?
B- the movement of water between
Earth’s surface and the atmosphere
C 400
What is the stage of the water cycle
when water sinks into the soil and
underground pores in rocks?
A- evaporation
B- condensation
C- precipitation
D- storage
C 500
What is the stage of the water cycle
when water sinks into the soil and
underground pores in rocks?
D- storage
C 500
What happens when moist air rises?
A- The moist air warms and water
evaporates from the air.
B- The moist air cools and is able to
store more precipitation.
C- The moist air cools and the water
vapor condenses into clouds.
D 100
What happens when moist air rises?
C- The moist air cools and the water
vapor condenses into clouds.
D 100
DAILY
DOUBLE
What do the curving lines on this chart
show?
A- areas with the same air pressure
B- areas of low pressure
C- areas of low and high temperatures
D 200
What do the curving lines on this chart
show?
A- areas with the same air pressure
D 200
Which best describes air?
A- a force that presses gases toward
Earth’s surface
B- a substance that surrounds Earth and
takes up space
C- a substance with no mass that
contains water vapor
D 300
Which best describes air?
B- a substance that surrounds Earth and
takes up space
D 300
How will the air at the top of the
mountain be different from the air at
the base of the mountain?
A- Air at the top will be denser.
B- Air pressure will be higher at the
top.
C- Air pressure will be lower at the
top.
D 400
How will the air at the top of the
mountain be different from the air at
the base of the mountain?
C- Air pressure will be lower at the
top.
D 400
What happens when air hits an area of
lower pressure?
A- The air moves toward the area of
lower pressure.
B- Air that was moving comes to a
standstill.
C- The particles in the air become
more loosely packed.
D 500
What happens when air hits an area of
lower pressure?
A- The air moves toward the area of
lower pressure.
D 500
What is humidity?
A- the amount of water in the air
B- air pressure
C- how strong the wind is
D- whether air pressure is rising or
falling
E 100
What is humidity?
A- the amount of water in the air
E 100
Which best describes stratus
clouds?
A- low-lying white clouds
B- clouds high in the sky
C- high, white and puffy clouds
that may appear in good weather
D- clouds close to the ground that
often bring rain or snow
E 200
Which best describes stratus
clouds?
D- clouds close to the ground that
often bring rain or snow
E 200
Why do you often see clouds along a
cold front?
A- Cold air makes the clouds visible.
B- Cold air moves the warm air to form
clouds.
C- Clouds are left from the warm front.
D- Water vapor in the cooling air turns
into clouds.
E 300
Why do you often see clouds along a
cold front?
D- Water vapor in the cooling air turns
into clouds.
E 300
What can scientists look at to study
past climates?
A- tree rings
B- Earth’s crust
C- ice core samples
D- all of the above
E 400
What can scientists look at to study
past climates?
A- tree rings
B- Earth’s crust
C- ice core samples
D- all of the above
E 400
What happens when a cold air mass
meets a warm air mass that is not
moving?
A- It creates a cold front.
B- It creates a warm front.
C- It causes evaporation.
D- The water cycle.
E 500
What happens when a cold air mass
meets a warm air mass that is not
moving?
A- It creates a cold front.
E 500