WorksheetsYear 9 Science - Earth and Space Sciences - Plate tectonics
Total questions: 36
Worksheet time: 19mins
Which is NOT evidence for continental drift?
The continents fit together like puzzle pieces.
The same fossils were found far apart from each other.
Seafloor spreading.
Different languages are spoken in different countries.
This is a map of the Great Global Rift System. Which statement about it is INCORRECT?
It is where seafloor spreading occurs.
It is where plates converge.
It is where plates diverge.
It is where new oceanic crust is being formed.
What was used as evidence for seafloor spreading? Select all correct answers.
The age of the sea floor.
Sediment thickness.
Magnetic striping.
Underwater volcanoes.
The seafloor gets younger the farther away from the ridge.
True or false?
TRUE
FALSE
The sediments get thicker the farther away from the ridge.
True or false?
TRUE
FALSE
The direction of the magnetic field in the rocks is not always the same.
True or false?
TRUE
FALSE
Study the image and information next to it. Did the magnetic field point north or south when the green stripe was formed?
North
South
True or false: The rocks in the oceanic crust are usually younger than the rocks in the continental crust.
True
False
How many plates are there?
Fewer than 5
Between 5 and 10
Between 10 and 20
More than 20
Study the diagram. What do you find at locations where the continental and oceanic crust collide?
Friction
Mid-ocean ridge
Subduction zone
Rising magma
Study the diagram. What do you find at locations where oceanic plates move away from each other?
Friction
Mid-ocean ridge
Subduction zone
Rising magma
Study the diagram. What force makes the plates move?
Friction
Mid-ocean ridge
Subduction zone
Rising magma
Study the diagram. What is responsible for the convection currents?
Friction
Mid-ocean ridge
Subduction zone
Rising magma
At which type of boundary are you most likely going to find volcanoes?
Diverging
Converging
Transform
At which type of boundary are you most likely going to experience frequent earthquakes?
Diverging
Converging
Transform
At which type of boundary are you most likely going to find ridges?
Diverging
Converging
Transform
Which one is a seismometer?
Which one is a seismograph?
Which waves arrive first?
P-waves
S-waves
surface waves (aka L-waves)
Which waves arrive last?
P-waves
S-waves
surface waves (aka L-waves)
Which waves travel the fastest?
P-waves
S-waves
surface waves (aka L-waves)
Which waves are the most destructive?
P-waves
S-waves
surface waves (aka L-waves)
Which waves travel as transverse waves and go up and down?
P-waves
S-waves
surface waves (aka L-waves)
Which waves travel as longitudinal waves and move the ground back and forth?
P-waves
S-waves
surface waves (aka L-waves)
What is the name of the former supercontinent?
Pangaea
Laurasia
Gondwana
Australia
Australia shown in green was part of which large landmass during the triassic?
Pangaea
Laurasia
Gondwana
Australia
India shown in red moved north to join which continent?
Asia
Africa
South America
Australia
What type of boundary is represented?
Converging
Transform
Diverging
What type of boundary is represented?
Converging
Transform
Diverging
What type of boundary is represented?
Converging
Transform
Diverging
The picture shows the San Andreas fault in California. Faults are cracks in the earth's crust that occur at what type of boundary?
Converging
Transform
Diverging
What term describes to location on the Earth's surface directly above the location of an earthquake?
Focus
Epicentre
What term describes the location inside the Earth where the movement of the rocks occurs?
Focus
Epicentre
The term 'tsunami' means...
Huge wave
Harbour wave
Wall of water
Waves caused by wind
What causes tsunamis?
Large amounts of rain
Underwater earthquakes
The Moon's gravity
Heavy winds
Select all correct answers:
The ring of fire is an area around the Pacific ocean that is characterised by ...
frequent earthquakes
active volcanoes
ridges
fault lines
