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