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HIA International — Grade 8

Unit 1: Photosynthesis and the carbon cycle

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Unit 2: Properties of materials

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Unit 3: Forces and energy

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Unit 4: Maintaining life

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Unit 5: Reactivity

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Unit 6: Sound and space

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Unit 7: Genes and inheritance

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Unit 8: Rates of reaction

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Unit 9: Electricity

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Quiz

Tectonics – Quiz

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Tectonics HIA Science quiz: free practice for HIA International. Work through this Tectonics HIA Science quiz and get instant feedback on every answer. If you get stuck, review the 24.10 Tectonics – Notes lesson. More practice: HIA International — all units. Syllabus: Cambridge Lower Secondary programme.

  • Questions count: 50
  • Passing grade: A-
  • Time limit:
Start Quiz
1.
What moves the tectonic plates?
The wind
Ocean tides
Convection currents in the mantle
The Moon's gravity
2.
Where do most earthquakes happen?
Only near the poles
At plate boundaries
In the middle of plates
Only under the sea
3.
Which boundary formed the Himalayas?
A hot spot
A constructive boundary
A conservative boundary
A collision boundary
4.
What is a tectonic plate?
A type of volcano
A layer of the atmosphere
A small piece of the core
A large slab of the Earth's crust and upper mantle
5.
What is a volcano?
A crack caused by rain
An opening where molten rock reaches the surface
A deep ocean trench only
A type of mountain made by wind
6.
What is continental drift?
The slow movement of the continents over millions of years
The spinning of the Earth
Earthquakes shaking continents
Continents sinking into the sea
7.
About how fast do plates move?
Several kilometres a day
They do not move
A few centimetres a year
A few metres a second
8.
What happens at a constructive boundary?
One plate sinks under another
Continents collide
Plates move apart and new crust forms
Plates slide past each other
9.
What happens at a destructive boundary?
Plates slide past with no new crust
One plate sinks under another, forming trenches and mountains
Nothing happens
Plates move apart gently
10.
Why are there no volcanoes at a conservative boundary like the San Andreas Fault?
The plates move apart
Plates slide past each other, so no magma rises
There are no earthquakes there
The rock is too cold everywhere
11.
What early evidence supported continental drift?
The Moon's craters
The colour of the sea
The speed of sound
Matching coastlines and fossils across the Atlantic
12.
Why are the Himalayas still rising?
The Moon pulls them up
India is still pushing north into Asia
Rain adds rock
The mountains are volcanoes
13.
In the diagram, which boundary shows plates moving apart?
Dr Dabour Hub Academy - figure 1
B
A
C
None
14.
Which boundary in the diagram is a conservative boundary?
Dr Dabour Hub Academy - figure 2
None
C
B
A
15.
At which boundary in the diagram are deep trenches and explosive volcanoes most likely?
Dr Dabour Hub Academy - figure 3
B
All equally
A
C
16.
In the convection model shown, why do the floating cards move apart?
Dr Dabour Hub Academy - figure 4
The cards repel each other
The rising liquid spreads out at the surface and drags them
The heat melts the cards
Air blows them
17.
What does the card in the model represent, and what is a limitation of the model?
Dr Dabour Hub Academy - figure 5
A volcano; it is too hot
A tectonic plate; real plates move far more slowly and are solid rock
An earthquake; it is too loud
The core; it is too small
18.
Which safety precaution matters most in the convection model?
Dr Dabour Hub Academy - figure 6
Heat the beaker as fast as possible
Heat gently and let the hot liquid cool before touching
Hold the beaker while heating
Seal the beaker
19.
Using the graph, how fast are the two points moving apart?
Dr Dabour Hub Academy - figure 7
100 cm per year
10 cm per year
2.5 cm per year
25 cm per year
20.
Using the rate from the graph, how far apart would the points move in 1000 years?
Dr Dabour Hub Academy - figure 8
2.5 metres
0.25 metres
250 metres
25 metres
21.
Using the bar chart, where are earthquakes least common?
Dr Dabour Hub Academy - figure 9
In the middle of a plate
At constructive boundaries
At destructive boundaries
At conservative boundaries
22.
Using the bar chart, how many more earthquakes were recorded at destructive than constructive boundaries?
Dr Dabour Hub Academy - figure 10
310
430
190
120
23.
What pattern does the map of earthquake locations show?
Dr Dabour Hub Academy - figure 11
Earthquakes are spread evenly everywhere
Earthquakes avoid the boundary
Earthquakes cluster along the plate boundary
There are no earthquakes
24.
In the hot spot diagram, which island is the oldest?
Dr Dabour Hub Academy - figure 12
The active volcano
The 1 million year old island
The one that is 5 million years old, furthest from the hot spot
They are all the same age
25.
What does the hot spot island chain show?
Dr Dabour Hub Academy - figure 13
Plates do not move
Islands form only at boundaries
The hot spot moves quickly
The plate is moving over a fixed source of rising magma
26.
Using the bar chart, how far would plate S move in 50 years?
Dr Dabour Hub Academy - figure 14
500 cm
10 cm
50 cm
200 cm
27.
What is the fourth step in the flow chart?
Dr Dabour Hub Academy - figure 15
Plates move
Stress builds at the boundaries
Rock slips or melts
Heat drives convection
28.
Use the table. Which boundary forms fold mountains?
Conservative
Hot spot
Constructive
Collision
29.
Use the table. Which example is a conservative boundary?
The Himalayas
San Andreas Fault
Hawaii
Mid Atlantic Ridge
30.
Use the table. Which location has frequent, strong earthquakes and explosive volcanoes?
Conservative boundary
Destructive boundary
Hot spot
Constructive boundary
31.
Use the table. What is the mean plate speed measured by GPS?
12 cm per year
5 cm per year
3 cm per year
4 cm per year
32.
Use the table. Which GPS reading is most likely an error?
Station 1
Station 2
Station 4
Station 3
33.
Use the table. How old is the island 300 km from the hot spot?
0.3 million years
3 million years
300 million years
30 million years
34.
A student's notes contain one mistake. Which row?
Conservative - explosive volcanoes
Collision - fold mountains
Constructive - plates move apart
Destructive - one plate sinks
35.
Use the table. What is the rift valley boundary doing?
Two continents are colliding
A plate is over a hot spot
Plates are sliding past
A continent is beginning to split
36.
Why are earthquakes difficult to predict exactly even though we know where the boundaries are?
There is no stress at boundaries
Boundaries keep moving randomly across the Earth
Stress builds slowly and the moment the rock slips cannot be timed
Earthquakes only happen in space
37.
Why do scientists place seismometers around the world?
To stop earthquakes
To measure rainfall
To detect and locate earthquakes and map plate boundaries
To make volcanoes erupt
38.
A student wants to show how continents may once have fitted together. Which activity is best?
Cut out continent outlines and fit their coastlines and fossil locations together
Weigh rocks from one beach
Count volcanoes on one island
Measure the height of mountains
39.
Which pairing of boundary and plate movement is correct?
Conservative - plates move apart
Constructive - plates move apart
Destructive - plates slide past
Collision - plates move apart
40.
Match the term to its description: Earthquake
Slow circulation in the mantle
An opening where magma escapes
Shaking caused when plates suddenly slip past each other
A large slab of crust
41.
The line where two plates meet is a plate _____.
core
ridge only
volcano
boundary
42.
At a conservative boundary plates _____ past each other.
sink
slide
pull apart
melt
43.
A plate moving 5 cm per year travels _____ cm in 20 years.
500
100
4
25
44.
The Earth's surface is broken into about a dozen large plates. True or false?
False, there are thousands of large plates
False, it is one solid shell
True
False
45.
Convection currents in the mantle move the plates. True or false?
False, the wind moves them
False
True
True, but only at night
46.
Most volcanoes are found in the middle of plates. True or false?
True
False
False, there are no volcanoes
True, away from boundaries
47.
New crust is made at constructive boundaries. True or false?
True
False
False, nothing forms
False, crust is destroyed there
48.
Hawaii formed over a hot spot. True or false?
True
False
False, at a conservative boundary
False, at a collision boundary
49.
Plates move a few metres every second. True or false?
False
True, that is why earthquakes happen
False, they do not move at all
True
50.
Matching fossils on both sides of the Atlantic support the idea that the continents were once joined. True or false?
False
True
False, fossils swim across oceans
False, fossils are identical everywhere
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Part of Unit 6: Sound and space — see every lesson and quiz in this unit.
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