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Global systems: Yr 10 Earth Science Flashcards | StudBud
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Global systems: Yr 10 Earth Science
Global systems: Yr 10 Earth Science
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Revision of the Yr 10 Earth Science topic
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
Which of the following is the strongest greenhouse gas?
carbon dioxide
oxygen
methane
nitrous oxide
2
which of these is not a greenhouse gas?
Water vapour
methane
Carbon dioxide
Nitrogen
3
What evidence for climate change can be found in ice cores?
the amount of global warming in the past
the water temperature a long time ago
CO2 levels in the air a long time ago
the composition of the water in the past
4
How could global warming alter this current?
this current is too big to be effected
warming the poles will stop it
warming the poles will speed it up
global warming will reverse the current's direction
5
As evidence of climate change, what is happening to glaciers around the world?
they are getting smaller
they are changing colour
they are getting bigger
they are occurring in different places
6
The planet has warmed and cooled in the past, in what way is this warming event different?
it is much slower this time
it is warming much faster this time
there is not difference
7
In the greenhouse effect, what type of heat energy is trapped in the lower atmosphere?
light
light and heat
friction
heat
8
The greenhouse effect explains what phenomena?
global warming
algal booms
sea level rising
the hole in the ozone
9
What is different about the phosphorus cycle compare to other cycles?
humans have not changed it
it is not required by living things
does not involve the atmoshere
it moves faster
10
How will global warming kill the Amazon rain forrest?
hotter, drier conditions will lead to large fires
plants will not be able to photosynthesis as well as before
the carbon cycle will breakdown
it will flood with rising sea levels
11
Why is the great barrier reef in danger from global warming?
the reef will boil in the hot ocean water
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
12
What is a carbon footprint
a measure of how the carbon is being used by the planet
a measure of the impression carbon makes on the land
a measure of how much carbon there is on the planet
a measure of how much carbon is released due to someone
13
In simple terms what will happen to the planet due to the greenhouse effect?
The planet will cool down
The planet will warm up
the planet will be invaded by aliens
The planet will stay the same
14
How can scientists determine the sea level in the past?
by estimating the size of the polar ice caps
looking at the high tide marks on the rocks
look at where sedimentary rocks are found and their fossils
ask a mermaid
15
how can you reduced your carbon footprint?
go on group holidays overseas
buy local products
eat more meat
drive a small car
16
How will using solar power help with climate change?
it will reduce carbon emissions
it will allow extra money to be spent on climate change
it will please the hippies
17
Why is it a bad idea to buy a holiday home in the low lying Maldives?
there is nothing to do in the Maldives
global warming will drive up house prices
it will get too hot there in summer
it will flood due to rising sea levels
18
what is climate change mitigation?
ways to enjoy climate change
ways to repair the climate
ways to change to match the new cimate
ways to reduce carbon emissions
19
What is the name of this cycle?
Phosphorus
Hydrological
Carbon
Nitrogen
20
Which measurements are not used as evidence of climate change
rising sea levels
warmer oceans and land masses
tree line moving to higher attitudes
larger polar ice caps
21
What is adaption to climate change?
making changes to suit the new climate
emitting less carbon dioxide into the atmosphere
cooling the planet
staying away from climate change
22
How did humans fix the hole in the ozone layer?
talked about it a lot
added more CFCs to the atmosphere
stopped burning fossil fuels
stopped using CFCs
23
Compared to the past, how many extreme weather events will Australia have in the future?
More
no way to know
Less
About the same
24
What is the name of this current?
the global connivence belt
real big, bluey-red current
The thermohaline current
25
How have humans altered the carbon cycle?
chopped down trees
burnt fossil fuels
added fertilisers to soil
air pollution
