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Year 8 Earth Science Flashcards | StudBud
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Year 8 Earth Science
Year 8 Earth Science
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1
Which of the following is an example of a sedimentary rock
Marble
Sandstone
All of the above
Basalt
2
Crystals are
Minerals
Igneous
Metamorphic
Sedimentary
3
Where do the biggest earthquakes occur?
Manly
Asia
Fault lines
Middle of tectonic plates
4
Temperature change can add to weathering
True
False
5
A volcano is a mountain that forms when magma reaches the surface
True
False
6
Which of the following conditions is needed for fossils to form
Lack of oxygen
Water
Nutrients
Bacteria
7
What is the first stage of a rock cycle?
Metamorphic
Sedimentary
Igneous
Rock
8
The driving force of continental drift is
Movement currents
Volcanic currents
Circulation currents
Convection currents
9
When two Techtonic plates slide past each other it is called a ________________ plate boundary
Subduction
Divergence
Convergence
Transform
10
A scientist what studies rocks is known as a
Sedimentologist
Biologist
Geologist
Rockologist
11
Which of the following natural disasters is caused by movement in the Lithosphere?
Landslide
Crocodile attack
Bushfire
Earthquake
12
Which of the following is measuring system for earthquakes
Rictor Scale
Earthquakes scale
Mag Scale
Spacequake scale
13
Which of the following is an example of a Igneous rock
Marble
All of the above
Basalt
Sandstone
14
Cleavage is the way a mineral breaks
True
False
15
Whereis the most fertile soil typically located?
Near volcanoes
Italy
Where earthquakes occur
Near the ocean
16
When two Techtonic plates move towards each other it is called
Divergence
Transform
Convergence
Subduction
17
Whatdoes magma need to do before it turns into igneous rock?
Heat and pressure
Erosion
Melting
Cooling
18
pH is the measurement of?
Hardness of a rock
Weight of a fish
Salinity
Acidity
19
Which of the following is an example of a trace fossil?
Footprints
Teeth
Bone
Hair
20
Which definition of stress is incorrect?
When a volcano erupts
Pushes rocks in different directions
Stretches or pulls rocks apart
Force that squeezes rocks together
21
The theory that the Earth's crust is broken up into large sections is known as
Evolution
Plate tectonic theory
Continental drift
Theory of Convection
22
The theory that the Earth's plates slowly move around is known as
Theory of Convection
Plate tectonic theory
Continental drift
Evolution
23
What is believed to be the most common element in Earth's core?
Silicon
Water
Oxygen
Iron
24
The layer of Earth in the centre is called the
Inner Core
Mantle
Inner crust
Outer core
25
A natural disaster is a man-made disaster that devastates millions
True
False
26
What type of rock is made from a parent rock that has been altered by heat and pressure?
Metamorphic
Igneous
Mineral
Sedimentary
27
Which one of the following is NOT a physical property?
Glassy
Pearly
Stringy
Waxy
28
Howmany crusts does the Earth have?
1
4
3
2
29
What are the two main types of fractures called?
Glassy and Conchoidal
Dull and Pearly
Metallio and Waxy
Uneven and Conchoidal
30
What type of rock is made from hardened sand, soil, mud etc
Mineral
Metamorphic
Igneous
Sedimentary
31
What is the most common element in Earth's crust?
Iron
Silicon
Oxygen
Water
32
Coprolite is what?
A type of rock
Fossilised teeth
A fossilised egg
Fossilised poo
33
What is a mineral?
Occurring Aggregate
Inorganic solid
Chemical composition
Atomic arrangement
34
What type of rock is made from magma or lava?
Igneous
Metamorphic
Mineral
Sedimentary
35
How many groups of rocks are there?
1
5
4
3
36
Which of these is NOT a type of volcano?
Hot-Spot
Shield
Cinder
Composite
37
The formation of sedimentary rocks involves which of the following processes
Deposition
All of the above
Erosion
Cementation
38
What are the gases that collect and store heat?
Greenhouse gases
Atmospheric gases
Land gases
Cloud gases
39
What year did Japan have an earthquake that led to a Tsunami?
2009
2012
2010
2011
40
The Inner Core is a solid
True
False
41
The outermost layer of the Earth is called
Crust
Inner Core
Outer Core
Mantle
42
When two Techtonic plates move way from each other it is called
Divergence
Transform
Convergence
Subduction
43
Which of the following is the most powerful erosive force?
Rivers
Oceans
Glaciers
Wind
44
Howmuch volume does the crust occupy on the Earth?
50%
5%
10%
Less than 1%
45
The layer of Earth directly under the crust is called the
Inner crust
Outer core
Inner Core
Mantle
46
Molten rock above the ground is known as
Magma
Glowrock
Lava
Firestone
47
Volcanoes are formed from
Convection zones
Transform zones
Subduction zones
Earthquakes
48
What is the scale of hardness that goes from 1-10 called?
Scale
Mohs
Kanose
Rosh
49
Which of these is not a process of chemical weathering?
Dissolving
Hydrolysis
Melting
Oxidation
50
Molten rock under the ground is known as
Magma
Firestone
Glowrock
Lava
51
Global Warming causes temperature rise
False
True
52
Which of the following is an example of a metamorphic rock
All of the above
Marble
Basalt
Sandstone
53
Which of the following is an example of chemical weathering?
Water movement
Acid dissolving rock
Wind
Ice movement
54
Which of these is not a physical property of a mineral
Luster
Colour
Streak
Atomic Structure
55
The Lithosphere is the innermost layer of the Earth
False
True
56
Earth is a complex system made out of______
Non living things
Flora and Fauna
Living and non living things
Living things
57
Which of the following are the two main groups of fossils
Crust and Bone
True and False
Trace and True
Sediment and Cast
58
Tsunamis are cause by
Underwater landslides
Underwater volcanoes
All of the above
Underwater earthquakes
59
What are the minerals in limestone?
Kunzite and hematite
Calcite and aragonite
Lime rock and crystals
Jasper and ruby
60
Whats causes a volcanic eruption?
Plates moving
The pressure of the crust
Random luck
Indiana Jones
61
A fossil may be material that has replaced a once living thing?
False
True
