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Year 10 - Global Systems & the Universe Revision 2 Flashcards | StudBud
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Year 10 - Global Systems & the Universe Revision 2
Year 10 - Global Systems & the Universe Revision 2
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Year 10 Revision Earth Science Global systems & Universe
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
In the equation V = d/t
V =any speed you choose
V = 100 metres/second
V =300 000 metres/ second
V = 300 000 000 metres/second
2
A major theory proposed by scientists to explain the human influenced change to Global systems
Greenchalet effect
Greenthumb effect
Green & Gold effect
Greenhouse effect
3
Scientists use astronomical data such as ____ and ____ to explain Universe expansion
red shift & background isolation
background radiation & water
background radiation & red shift
speed of light & Earth's temperature
4
Carbon cycles through the four global systems: Hydrosphere; Lithosphere; Atmosphere and _____
Bionicsphere
Biologicalsphere
Biosphere
Biome
5
Thermohaline circulation plays an important role in _________
Circulating Oxygen within Oceans
Circulating salt through global spheres
Increasing salt intake by animals
not impacting global temperatures
6
One impact of the theory of Climate Change is thought to be the _______
A reduction in available water
Increased sea level
reduced acidification of the oceans
more Oxygen into the atmosphere
7
The Biosphere contains, organisms, populations, ______ and ecosystems.
Community
Housing
Water
Vegetation
8
Temperature, water and food sources & atmospheric gases should be analyzed when considering
planting a garden
living on another planet
where to dispose Earth's rubbish
living on the sun
9
The Earth's atmosphere, interferes with the quality of pictures of the Universe, if
telescopes are not launched
telescopes are in Earth's orbit
telescopes are used incorrectly
telescopes are on Earth's surface
10
An increase in global rainfall _____ global vegetation distribution.
both a and b
Decreases
Increases
does not effect
11
The burning of fossil fuels has released _______ into the atmosphere.
Petroleum
Calcium carbonate
Carbon dioxide
Carbon
12
Jupiter is 624.4 million km from Earth. Written in scientific notation this equals ____
6.244 x 108
6.244x 102
624.4x 108
62.4x 105
13
If V = 3 x 10
8
and d = 78.3 million km from Earth, you can calculate t, using the equation -
V = d/t
V =d x t
t =d/V2
t =V/d
14
Atmospheric circulation greatly influences ______________ circulation
soil
light
vegetation
ocean current
15
Star lifecycle includes the sequence - protostar; _____, red giant and white dwarf.
nebula
black hole
main sequence
supernova
16
North of the equator there are _______ major areas of ocean surface currents?
Two
Five
One
Three
17
Atmosphere composition of planets is an important factor for human life because
humansneed helium
humansneed methane
humans need oxygen
Humansneed argon
18
Agriculture, livestock grazing, industrial and residential land use, all primarily impact
The Lithosphere
The Microsphere
The Biosphere
The Hydrosphere
19
Approximately 13 billion years ago, it is thought that the _______ occurred.
Big Bang
Big pineapple
Big intrusion
Big Collision
20
The number of moons a planet has, effects whether or not humans can live on the planet?
only on Mondays
Always
Sometimes
Not at all
