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