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Science > 5G Chap 7.2 & 7.3 > Flashcards

5G Chap 7.2 & 7.3 Flashcards

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1
Q

Wispy light clouds with fuzzy edges

A

Cirrus

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2
Q

Individual clouds that look puffy

A

Cumulus

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3
Q

Clouds that look blanket like layers

A

Stratus

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4
Q

What causes water vapor particles to come together to form clouds

A

They rise and get cooler

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5
Q

What causes water droplets to fall to the ground as precipitation

A

They collide together and get too heavy to stay in the air

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6
Q

Formed when raindrops collide in the air with bits of ice

A

Hail

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7
Q

Formed when raindrops freeze as they fall to the earth

A

Sleet

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8
Q

This is the coldest precipitation. Formed when air is so cold that the water vapor turns directly into a solid crystal

A

Snow

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9
Q

Large region of air that has a similar temperature and humidity

A

Air mass

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10
Q

When one air mass meets another air mass. This is called a ______

A

Front

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11
Q

Two air masses colliding that are similar. The air masses do not move.

A

Stationary front

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12
Q

This pushes weather fronts. In the US, it usually moves west to East.

A

Jet stream

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13
Q

Air mass with warm and humid air. The air moves inward and winds turn counter clockwise

A

Low pressure system

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14
Q

Air mass with cold and drier air. The air moves outward and winds turn clockwise

A

High pressure system

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15
Q

Rainstorm that includes lightning and thunder

A

Thunderstorm

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16
Q

How a thunderstorm occurs

A

Warm, moist air rises. That upward movement of air is called an updraft.

17
Q

Tall cloud that forms before a thunderstorm

A

Thunderhead

18
Q

Spark of electricity that builds up in a thunderhead

A

Lightning

19
Q

Lightning increases the air temperature and that air expanding makes this sound

A

Thunder

20
Q

Storm with 35 mph winds and enough snow that you can only see 1/4 mile

A

Blizzard

21
Q

Storm with freezing rain landing on the ground

A

Ice storm

22
Q

Funnel shaped cloud with speeds up to 300 mph

A

Tornado

23
Q

Structure of a tornado

A

Warm rises through the center. Rain falls on the outside. Air flows into the low pressure center which makes it spin fast.

24
Q

Where on earth do tropical storms form?

A

Near the equator

25
Q

Wind Speed when it’s called a hurricane

A

74 mph (119kmph)

26
Q

Center of hurricane. Low pressure area. Calm air.

A

Eye

27
Q

Large waves that cause a big push of water

A

Storm surge

28
Q

Five things to prepare before hurricane

A 
Get water
Load car in case of evacuation
Contact info of neighbors and friends
Know where to stay if not evacuating
Board up windows
Flashlights
29
Q

Circular pattern of winds with Low pressure center. Hurricanes, tornadoes, etc

A

Cyclones

30
Q

Meteorologists use this to track winds and storms

A

Doppler radar

31
Q

Artificial lake that is built to store water

A

Reservoir

32
Q

Underground layer of rock or soil that is able to absorb water

A

Aquifer

33
Q

97% of the water on earth

A

Salt water from the ocean

34
Q

Examples of running water

A

Rivers or streams

35
Q

Top two uses of water in the US

A

1 Thermoelectric- cooling the equipment that makes electricity
2 Irrigation

36
Q

Place where water is cleaned

A

Water treatment plant

37
Q

Steps to clean water

A

1 coagulation. Adding particles to water to stick to the dirt
2 sedimentation. The dirt becomes heavy and collects at the bottom
3 filtration
4 disinfection. Adding chemicals to the water to kill bacteria.

38
Q

Air pollution that’s caused by particles made when fossil fuels are burned.

A

Smog

39
Q

Layer of oxygen 19 miles above the ground that protects us from the sun.

A

Ozone

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