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Convection Flashcards | StudBud
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Convection
Convection
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1
Which of the following cools down the FASTEST?
Water in the ocean
Sand on a beach
Water of a lake
2
Is climate change natural or unnatural? Did humans create climate change?
Natural
Neither: Climate change is a myth
Unnatural
Both: It is a natural cycle that humans affected
3
Approximately when did the last ice age start to MELT?
about 1,000 years ago
about 100,000 years ago
about 10,000 years ago
about 1 million years ago
4
How do C02 levels now compare to the levels that preceded past ice ages?
C02 levels have remained constant
C02 levels are significantly lower than in past
CO2 levels are consistent with past ice ages
C02 levels are many times larger than in past ice ages
5
Convection describes the motion of ... ?
All the above
Water
Wind (Air)
Magma
6
Is climate change a theory or a fact?
Fact
Neither
Theory
7
What does the term thermohaline refer to?
Temperature, Pressure
Temperature, 02 Levels
Temperature, Salt Levels
Temperature, C02 levels
8
Judging by the image below, what is the source of heat for convection inside the earth?
The Oceans
The Crust
The Core
The Sun
9
Which of the following heats up the SLOWEST?
Water in the ocean
Sand on a beach
Water of a lake
10
Approximately how often do ice ages occur?
About every 1,000 years
About every 100,000 years
About every 1 million years
About every 10,000 years
11
Why is global warming a bad name for climate change?
The warming is not global
Global warming describes climate change accurately
Global warming will lead to an ice age
The earth is not warming
12
Why are greenhouse gasses, like C02, dangerous?
They create greenhouse
They burn holes in the Ozone
The allow heat to escape
They trap in heat
13
What is this a video of?
The North Atlantic Current
Ice moving through the water
Thermohaline circulation
The Gulf Stream
14
What is this an image of ?
Sea Breeze
High Breeze
Land Breeze
Low Breeze
15
Why is thermohaline circulation important?
Thermohaline circulation drives wind patterns
Thermohaline circulation make boat travel easier
Thermohaline circulation distributes warm temperatures
Thermohaline circulation drives the earth's rotation
16
Convection moves substances from ....
HIGH to LOW pressure
HIGH to LOW temperature
LOW to HIGH Pressure
Convection changes its movement
17
What is this an image of ?
Sea Breeze
High Breeze
Low Breeze
Land Breeze
18
What does the number 4-5 represent in the diagram below?
The movement of water
The movement of hot air
Cold, Sinking Air
Hot, Rising Air
19
Approximately when did the last ice age BEGIN?
about 10,000 years ago
about 1,000 years ago
about 110,000 years ago
about 1 million years ago
20
Which is LESS dense, cold sinking air or hot rising air?
Hot, Rising air
It is impossible to tell
Cold, Sinking air
