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Science unit 4: Weather and Climate Flashcards | StudBud
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Science unit 4: Weather and Climate
Science unit 4: Weather and Climate
27 terms
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Flashcards
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Questions
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Answers
1
Precipitation is measured with a rain gauge.
False
True
2
Why does air pressure decrease as altitude increases?
Air molecules expand
Air molecules come closer together
3
When the air is saturated, what percentage of relative humidity is it?
0%
100%
80%
50%
4
What is visibility?
How much pollution is in the atmosphere
How far one's eye can see with no additional help
How far one's eye can see with devices to help
How much fog is currently in the atmosphere
5
What does cold, dense air do?
Rise
Sink
6
Why are some countries reluctant to help reduce climate change?
It is costly and causes political issues
They think climate change is good for the Earth
They think climate change isn't real
They use climate change to their benefit
7
What is topography?
When water changes state from gas to liquid
The height of an area above sea level
The angular degrees north or south from the equator
The surface features of an area
8
How does deforestation worsen the carbon emissions in the atmosphere?
There is not enough trees to breathe in carbon dioxide
It turns a carbon sink into a carbon source
It turns a carbon source into a carbon sink
9
What are tiny particles that can reflect sunlight back into space in the atmosphere?
Ashes
Particulates
Eruption Particles
Dust Particles
10
Air pressure increases as you travel up the atmosphere.
True
False
11
When the continents were all locked together, what was it called?
The Super Continent
The Great Continent
Pangaea
The Complete Continent
12
El Nina years have colder ocean temperatures, while La Nina years have warmer ocean temperatures.
False
True
13
What do surface currents do to the weather on land by the coast?
Currents heat the weather
Currents moderate the weather
Currents make the weather colder
14
What is weather?
The state of Earth's atmosphere over a extended period of time
The wind speed of a specific place
The condition of Earth's atmosphere and a specific time and place
How hot or cold a certain area is
15
What creates wind?
When the sun heats Earth unevenly, it makes air pressure differences
When the sun heats the ocean, the water evaporates and causes wind
When the sun heats Earth evenly, it creates different global wind patterns
When the sun heats Earth evenly, it makes air pressure even
16
What is global warming?
Global temperatures staying the same
The decrease in average global temperature
The increase in average global temperature
Global temperatures dropping extremely quick
17
Is energy lost or gained when water switches from liquid to solid?
Energy is gained
Energy is lost
18
What is the greenhouse effect?
A gradual increase in global temperature
When ocean temperatures get warmer than usual
Gases in the atmosphere absorb and radiate energy as heat back to Earth
When glaciers melt, causing sea levels to rise.
19
In what direction does air push?
Air pushes in all directions
Air pushes West
Air pushes South
Air pushes East
20
There are 5 main climate zones.
True
False
21
What are the four types of precipitation?
Fog, smog, temperature, hail
Sleet, hail, smog, temperature
Wind, sleet, snow, fog
Wind, sleet, snow, hail
22
What can you do to reduce carbon emissions in place of driving a car?
Ride a bike
Drive a motercycle
Drive a gas dirt bike
Travel in a plane
23
What are the three main climate zones?
Hot, Polar, Mild
Tundra, Subtropical, savanna
Temperate, Polar, Tropical
Desert, Ice Caps, Mediterranean
24
When did the last ice age begin?
2,000,000,000 years ago
2,000 years ago
20,000 years ago
2,000,000 years ago
25
What instruments measure wind speed, and wind direction?
Barometer & Psychrometer
Psychrometer & Thermometer
Anemometer & Wind Vane
Rain Gauge & Meter Stick
26
What do you use to measure temperature?
Barometer
Thermometer
Rain Guage
Anemometer
27
What does climate describe?
The weather conditions in an area over a short period of time
How much rain has fell in the time period of a year
The weather conditions in an area over a long period of time
The relative humidity at this moment