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