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Year 9 Earth Science (AC) Flashcards | StudBud
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Year 9 Earth Science (AC)
Year 9 Earth Science (AC)
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Earth Science for Australian Year 9 Curriculum
Flashcards
13 cards
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Practice quiz
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Host live
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Questions
13
Answers
1
What is this area called?
Abduction zone
Reduction zone
Construction zone
Subduction zone
2
What are the earthquakes called that occur
within
a tectonic plate?
Outer-plate earthquakes
Extra-plate earthquakes
Plate-margin earthquakes
Intra-plate earthquakes
3
Where do mountains usually form?
Divergent plate boundary
Convergent plate boundary
Transform plate boundary
4
What is the current theory that explains how tectonic plates move?
Plate tectonics
Earthquakes and volcanoes
Continental Drift and land bridges
Convection currents, slab pull, ridge push
5
What is this plate boundary called?
Convergent
Divergent
Transform
6
Who came up the idea of "seafloor spreading"?
Alfred Wegener
Miss Baker
Harry Hess
7
How were Australia's volcanoes created?
Hotspots in the mantle pushing magma to the surface
Meteorites hitting Australia making large holes in the crust
Two plates converging
Cold spots in the crust
8
The arrow is pointing to ____________
Crust
Lava
Diamonds
Magma
9
When does magma become lava?
When magma is recycled
When magma erupts from a volcano
When lava becomes hard
When water touches it
10
Old
crust is recycled back into magma at a divergent plate boundary (true/false)
False
True
11
What is another name for a "mid-ocean ridge"?
Transform plate boundar
Divergent plate boundary
Convergent plate boundary
12
What geological events would New Zealand experience because of its tectonic position?
Avalanches
Volcanoes
Sea-floor spreading
Earthquakes
13
What is causing Australia's changing landscape?
Weathering
Convergent plate boundaries pushing up new mountains
Earthquakes
Erosion
