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Climate Change Review Flashcards | StudBud
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Climate Change Review
Climate Change Review
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#Climatechange #climate #change #9th #grade #Earth-Space #Science
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
True or False - Global warming might improve conditions for crops in cold regions.
True
False
2
Snow that falls near the poles doesn't melt. Layers accumulate each year. The further you dig,
the older the ice layers get.
All the snow mixes up, so no one knows.
you're just studying the present.
the newer the ice layers get.
3
Which of the following is NOT a way scientists study past climates?
fossils
Ice cores
volcano composition
Sea-floor sediment
4
The theory that cyclical changes in Earth's orbit and tilt cause climate change is called ...
Newtonian theory
Milovitch theory
Milankovitch theory
Mulan theory
5
Why are humans concerned about sea-level rise?
because 50% of the human population lives near coastlines
because we'll melt if we touch water.
because 80% of the human population lives near coastlines
we're not. Boats, duh.
6
CO
2
does what with infrared radiation?
absorbs
reflects
absorbs and reemits in all directions
absorbs and reemits only downward
7
What are positive feedback loops?
virtuous cycles that cause a decrease in a trend
kind input into cyclical things
Vicious cycles that cause an increase in a trend
kind comments about fruit loops cereal
8
If sea-floor sediment has ____ concentrations of Oxygen-18, it indicates past waters
were
cool
all of the above
high
low
no
9
What is a scientist that studies past and present climates in order to predict future climates?
Global-warming-ologist
Environmentalist
Climatologist
Ecologist
10
True or false - changes in the climate of one area can affect climates around the world.
True
False
11
Increased CO
2
concentrations may lead to what?
global cooling
nothing
Global warming
all of the above
12
How might
orbital
changes cause climate change?
decreasing tilt increases temperature changes
Earth's distance from the sun affects orbit
increasing tilt decreases temperature changes
Earth's distance from the sun affects the temperature
13
Tree rings show past climates. Thick rings indicate ________ climates, and thin rings, _______.
warm and wet; cool and dry
cool and dry; warm and wet
warm and dry; cool and dry
warm and dry; cool and wet
14
What do climatologists use to try and predict future climates?
paper mache models
A magic 8-ball
GENIE- General Environment and Natural Investigative Ecology
Computer models called general circulation models, or GCMs.
15
Human activity
affects climate mostly through ________ and _____ use.
emissions; land
land; emissions
respiration; tobacco
conversations; cell-phone
16
When a climatologist is studying
fossils
to understand past climates, he/she is looking for ...
adaptations to particular environments that can reveal clues
concentrations of microorganisms
concentrations of carbon dioxide
concentrations of oxygen-18
17
A scientist wants to know the
COMPOSITION
of Earth's past atmospheres. He/she should
study stalagmites
look at pockets of air trapped in ice core samples
study signs of precipitation in tree rings
Study fossils to get an idea of animal adaptations
18
Which is NOT considered a potential climate change?
changes in sediment deposition
sea-level changes
global warming
changes in precipitation
19
What factors are used to describe climate?
Heat and rain
acid and base
Temperature and humidity
Temperature and Precipitation
20
Large volcanic eruptions can influence climate by what?
releasing sulfur and ash which reflect sunlight
releasing sulfur and ash which absorb sunlight
absorbing CO2 and converting it to Oxygen
releasing CO2 and water which reflect sunlight
21
A gradual increase in average global temperature is called what?
global cooling
global room temperature
global warming
sea-level rising
22
Because so many factors influence climate, studying climate change is a _______ process.
Complicated
Simplistic
Infantile
Impossible
23
What is the decrease in PH of Earth's oceans as they absorb CO
2
and form carbonic acid?
Ocean Dedication
Ocean Acidification
Ocean Deification
Ocean specification
24
The
wobble
of Earth on its axis changes the direction of Earth's tilt and can _____ the seasons
weaken
keep
remove
Reverse
25
If a scientist wanted to know the climate of a continent
millions
of years ago, he/she should
study speleothems
study sea-floor sediment
drill for ice core samples in the arctic
study fossils
26
How might changes in Earth's
tilt
affect climate?
decreasing tilt decreases temperature differences 4 seasons
increasing tilt decreases temperature changes
Earth's distance from the sun doesn't affect temperature
Earth's distance from the sun affects orbit
27
Why are humans concerned about global warming?
climate change can cause species die off - limiting food
Stronger storms
melting ice impacts sea-levels and ocean currents
droughts in areas where we're growing food.
28
How can global warming cause sea-levels to rise?
heat expands the oceans, and melts the ice caps
heat expands the oceans, and cools the ice caps
heat increases plate tectonics and the upwelling of oceans
heat condenses the oceans, and melts the ice caps
29
What can people do to limit/slow global warming?
reduce CO2 emissions from industry and vehicles
Use less electricity
Reduce methane emissions from cattle
use renewable energy
30
The movement of continents over millions of years can cause climate change by ...
Changing the composition, wind patterns, and latitudes
changing the rivers, the atmosphere, and longitudes
changing the ocean currents, wind patterns, and longitudes
changing the ocean currents, wind patterns, and latitudes