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Global systems: Yr 10 Flashcards | StudBud
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Global systems: Yr 10
Global systems: Yr 10
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Revision of the Yr 10 Earth Science topic #climatechange
Flashcards
20 cards
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Practice quiz
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Host live
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Questions
20
Answers
1
Which measurements are not used as evidence of climate change
rising sea levels
warmer oceans and land masses
larger polar ice caps
tree line moving to higher attitudes
2
On Earth, there are ________________ main spheres
1
4
2
3
3
How do humans increase the amount of carbon in the atmosphere?
Consumption
Respiration
Decay
Burning
4
Why is it a bad idea to buy a holiday home in the low lying Maldives?
it will get too hot there in summer
global warming will drive up house prices
it will flood due to rising sea levels
there is nothing to do in the Maldives
5
How have humans altered the carbon cycle?
added fertilisers to soil
air pollution
burnt fossil fuels
chopped down trees
6
The Earth is part of which sphere?
Biosphere
Lithosphere
Hydrosphere
Atmosphere
7
Which of the following will NOT help to reduce carbon dioxide emissions
Cutting down more trees
Planing trees
Developing new fuel / electricity systems
Turning off appliances
8
What is a carbon footprint
a measure of how much carbon there is on the planet
a measure of the impression carbon makes on the land
a measure of how the carbon is being used by the planet
a measure of how much carbon is released due to someone
9
Why is the great barrier reef in danger from global warming?
Nemo will distroy the reef in protest of global warming
the water will become more acidic and dissolve the coral
it will get too hot and the fish will swim away
the reef will boil in the hot ocean water
10
How could global warming alter this current (The thermohaline current)
warming the poles will stop it
this current is too big to be effected
warming the poles will speed it up
global warming will reverse the current's direction
11
how can you reduced your carbon footprint?
drive a small car
buy local products
eat more meat
go on group holidays overseas
12
In simple terms what will happen to the planet due to the greenhouse effect?
The planet will stay the same
The planet will warm up
the planet will be invaded by aliens
The planet will cool down
13
Compared to the past, how many extreme weather events will Australia have in the future?
About the same
no way to know
More
Less
14
In the greenhouse effect, what type of energy is trapped in the lower atmosphere?
heat
light
light and heat
friction
15
What is the name of this cycle?
Water
Nitrogen
Phosphorus
Carbon
16
What evidence for climate change can be found in ice cores?
CO2 levels in the air a long time ago
the water temperature a long time ago
the amount of global warming in the past
the composition of the water in the past
17
The greenhouse effect explains what phenomena?
sea level rising
global warming
algal booms
the hole in the ozone
18
Nitrogen, Oxygen and Carbon dioxide are the main components of which sphere?
Biosphere
Lithosphere
Hydrosphere
Atmosphere
19
which of these is not a greenhouse gas?
Carbon dioxide
Water vapour
Nitrogen
methane
20
As evidence of climate change, what is happening to glaciers around the world?
they are occurring in different places
they are getting smaller
they are getting bigger
they are changing colour
