Y9 Tectonics Assessment 2020

Which layer of the Earth is the thickest?

• Crust

• Mantle

• Core

• Oceanic

On the diagram, which layer is the asthenosphere?

• A

• B

Which theory describes the movement of the Earth's continents over geological time?

• Convection currents

• Continental drift

• Constructive plate boundary

• Pangaea

'A sudden violent shaking of the ground, typically causing great destruction' describes.......

• a tsunami

• a volcano

• a hurricane

• an earthquake

'An opening in the earth's crust through which magma, ash and gas erupts' describes......

• a hurricane

• a tsunami

• a volcano

• an earthquake

Which comment answer describes the distribution of earthquakes and volcanoes?

• Most earthquakes and volcanoes occur in the centre of the tectonic plates, especially near to the UK.

• Most earthquakes and volcanoes occur along plate boundaries such as around the Pacific Plate and along Japan and New Zealand.

• There is no obvious pattern, earthquakes and volcanoes appear to be randomly located.

What machines are used to measure earthquakes?

• Seismographs

• Weighing scales

• Anemometer

• Ranging rod

Which two of these are types of plate?

• Convection

• Continental

• Oceanic

• Constructive

Which type of plate is denser (heavier)?

• Continental

• Oceanic

Which type of plate boundary is this?

• Conservative

• Divergent

• Convergent