The definition for Geyser is:

Hot springs that eject jets of boiling water and steam

Which is the correct order for star birth?

Nebula, Protostar, Main Sequence

Earthquakes in Hawkes Bay are typically caused by:

Subduction of the Pacific Plate

The Pacific Plate is subducting under the Australian plate

The definition of a star is:

A massive, luminous ball of gas held together by gravity

A main sequence star that is 30Msun will form:

Supergiant, Supernova, black hole

A spinning disc of matter around a protostar, Planetesimals accumulating matter

What happens to Tsunami waves as they begin to reach the shore?

Wavelength decreases and amplitude increases

Gaseous planets form outside the frost line because:

It's too far from the star for gases to be vapourised away, It's cold enough for gases to form ice

Which statement is false?

The first wave of a Tsunami is usually the biggest

Which object is part of a planetary system?

Asteroid, Comet, Moon, Meteoroid

Which statement is false?

Stellar nebulae are very small but draw in matter from space

The four spheres of the Earth system are:

Atmosphere, Geosphere, Hydrosphere, Biosphere

Earthquakes can be caused by

Volcanic activity, Tectonic plate movement

Rhyolite and Andesite rocks and magma are pale in colour because

It contains Silica which is white

Three causes of Tsunami are:

offshore earthquakes submarine avalanches volcanic eruptions

Which statement is true?

Oceanic crust is made of thin, young basalt rocks, Continental crust is made of thick old rocks

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Level 2 Earth and Space Science exam revision

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NCEA Level 2 Earth and space science externals

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Answers

1
Hot spots typically erupt which type of magma?
Andesite
Dacite
Basalt
Rhyolite
2
Earthquakes are more dangerous when they are:
Deep
Strong
Repetitive
Shallow
3
The definition for Geyser is:
Where geothermal fluids rise too quickly to the surface
Formed where steam and gas rise to the surface under ponds
Hot springs that eject jets of boiling water and steam
Steam and gas vents
4
Basaltic magma is associated with which type of volcano?
Cone
Caldera
Dome
Sheild
5
Which is the correct order for star birth?
Protostar, Nebula, Main sequence
Protostar, Main sequence, Nebula
Nebula, Protostar, Main Sequence
Nebula, Main Sequence, Protostar
6
This fault is caused by:
Shearing
Earthquake
Compression
Tension
7
Earthquakes in Hawkes Bay are typically caused by:
Movement on the Wellington Fault
Movement on the Alpine Fault
Subduction of the Pacific Plate
Subduction of the Australian Plate
8
Which type of star will become supernovae?
White Dwarfs
Red Dwarfs
Supergiants
Red Giants
9
In the North Island:
The Pacific Plate is subducting under the Australian plate
The Australian plate is subducting under the Pacific plate
The Pacific plate is subducting under the Nazca plate
The Australian and Pacific plates are moving apart
10
A stars heat and light is generated by:
Nuclear Fishing
Nuclear Fission
Nuclear Powerplants
Nuclear Fusion
11
Three main types of magma are:
Dacite, Basalt, Rhyolite
Basalt, Dacite, Andesite
Rhyolite, Andesite, Dacite
Rhyolite, Basalt, Andesite
12
The Auckland Volcanic field was formed by:
One massive eruption
A hot spot
Len Brown
Subduction
13
Which type of magma forms caldera volcanoes?
Andesite
Basalt
Rhyolite
Dacite
14
What type of star will form a neutron star?
Massive Star
Red Dwarf
Sun-sized star
Huge Star
15
The definition of a star is:
A massive, luminous ball of gas held together by gravity
A massive, luminous ball of rock held together by gravity
Massive, luminous ball of hydrogen held together by gravity
A massive, luminous ball of Helium held together by gravity
16
A main sequence star that is 30M_sun will form:
Red giant, planetary nebula, white dwarf, black dwarf
Stay as a main sequence star
Supergiant, Supernova, black hole
Supergiant, Supernova, Neutron star
17
Star birth → main sequence → red giant → ????? → white dwarf → black dwarf
Supergiant
Protoplanetary disc
Supernova
Planetary nebula
18
New Zealand has a high Tsunami risk because:
It has a lot of tectonic activity
It has a lot of coastal areas
It has a steep continental shelf
All of the above
19
Planets form from:
Large comets colliding to form larger objects
A spinning disc of matter around a protostar
Planetesimals accumulating matter
Gravitational pull of a star capturing large objects
20
What happens to Tsunami waves as they begin to reach the shore?
Wavelength decreases and amplitude decreases
Wavelength increases and amplitude increases
Wavelength increases and amplitude decreases
Wavelength decreases and amplitude increases
21
Gaseous planets form outside the frost line because:
They are too big to form close to the sun
It's too far from the star for gases to be vapourised away
It's warmer here and you need warmth to form gas
It's cold enough for gases to form ice
22
Which is not a way to form moons?
Circumplanetary disc
Collision
Circumnavigatory Disc
Capture
23
The _________ is where the fault initially ruptures under the ground.
Fault
Focus
Scarp
Epicentre
24
Which statement is false?
Tsunamis result in strong surges and rapid sea changes
Tsunamis can cross the pacific ocean in less than a day
The first wave of a Tsunami is usually the biggest
Tsunamis travel much further inland than normal waves
25
Which object is part of a planetary system?
Asteroid
Comet
Moon
Meteoroid
26
What colour is Procyon B?
Blue
Yellow
White
Red
27
Which statement is false?
Gravity is responsible for star formation
Stellar nebulae are very small but draw in matter from space
Gravity acts on the mass in the nebula
A large amount of mass forms a giant star
28
Rocky planets form:
Right on the frost line
Far away from the star
Closest to the star
With lots of gas and ice present
29
The four spheres of the Earth system are:
Geosphere, Hydrosphere, Thermosphere, Atmosphere
Atmosphere, Geosphere, Hydrosphere, Biosphere
Atmosphere, Biosphere, Geosphere, Troposphere
Hydrosphere, Biosphere, Atmosphere, Isosphere
30
Earthquakes can be caused by
Volcanic activity
Heating from the sun
Tectonic plate movement
Gravitational pull of the moon
31
Red giants form when main sequence stars:
Run out of helium
Run out of carbon
Run out of oxygen
Run out of hydrogen
32
Most stars are in which stage?
Supergiant
Protostar
Main Sequence
Red Giant
33
This is a:
Strike-slip fault
Reverse Fault
Normal fault
Oblique slip fault
34
Energy released in an earthquake is measured by:
Geonet
The Richter scale
The Mercalli scale
35
Which of these is an effect of a volcanic eruption?
Pyroclastic Flows
All of the above
Lava Flows
Volcanic Collapse
36
Subduction volcanoes involve what kind of magma?
Basalt and Andesite
Rhyolite and Andesite
Basalt and Rhyolite
Dacite and Basalt
37
Mt Ruapehu is a:
Dome Volcano
Shield Volcano
Caldera
Cone Volcano
38
Rhyolite and Andesite rocks and magma are pale in colour because
It contains Silica which is white
It has been faded from the sun
Magma is normally pale, basalt is just dirty magma
The water in the magma dilutes the colour
39
A tsunami is formed when
Air is suddenly displaced
Earth is suddenly displaced
Water is suddenly displaced
Fire is suddenly displaced
40
Earthquakes in the South Island are typically caused by:
Subduction of the Pacific Plate
Movement on the Alpine Fault
Subduction of the Australian Plate
Movement on the Wellington Fault
41
Pick an example of a subduction volcano
Mt Eden
Lake Taupo
Rangitoto
Mt Ruapehu
42
Which of the following is not a tectonic plate?
Arctic Plate
Pacific Plate
Australian Plate
Nazca Plate
43
A failed star is also called a:
Brown Dwarf
Red Dwarf
White Dwarf
Black Dwarf
44
What is the temperature of Sirius?
Greater than 30, 000K
about 2Mv
about 12Mv
about 10, 000K
45
Three causes of Tsunami are:
offshore earthquakes submarine avalanches volcanic eruptions
submarine avalanches, extreme tides, volcanic eruptions
Planets rub together, monsters stomping their feet & salami
Landslides into water, offshore earthquakes
46
All stars are formed in:
Stellar Nebulae
Planetary Nebulae
The Milky Way
Solar Nebulae
47
The ___________ is where the seismic waves first reach the surface.
Focus
Scarp
Fault
Epicentre
48
What is the absolute magnitude of Canopus?
-5Mv
-7Mv
-6Mv
104
49
Main sequence stars:
Fuse Carbon to form heavier elements
Fuse hydrogen to form helium
Fuse helium to form carbon
Fuse helium to form hydrogen
50
Which statement is true?
Continental crust is made of thin young and very dense rocks
Oceanic crust is made of thin, young basalt rocks
Oceanic crust is made of thick, old basalt rocks
Continental crust is made of thick old rocks

Level 2 Earth and Space Science exam revision Flashcards | StudBud