S3 Geog Earthquakes (U5.3)

What is X, Y and Z?

• X: Core, Y: Mantle, Z: Crust

• X: Crust, Y: Mantle, Z: Core

• X: Mantle, Y: Crust, Z: Core

• X: Crust, Y: Core, Z: Mantle

Which of the followings concerning the structure of the Earth is/are incorrect?

• The crust is made up of rocks and soil, it forms the continent and ocean floors.

• The mantle is made up of metals like irons and nickels.

• The core is made up of hot molten rocks called magma.

• The thickness of the crust is 6-70km thick.

What are the pieces of rock mass on the earth's surface (i.e. the ____ of the divided earth)?

• Rocks

• Plates

• Continents

• Crust

Where do most of the earthquakes occur?

Which of the followings make(s) up the plates?

• Crust

• Mantle (liquid metal)

• Core

• The uppermost part of the mantle (solid)

Plates move in 3 directions, please point out one.

There are two ways the plates move when earthquake occurs. What are them?

• Apart from and towards

• Towards and away

• Towards and past

• Compressed and streched

Why does earthquake occur?

• The pressure on the plates are too large and they are released

• The plates rub with each other

• The plates are moved

• The plates shake themselves

Which plate is Hong Kong on?

Which of the followings is/are preventive measures.

• Insurance(保險)

• Education and earthquake drills

• Issue warnings

• Designing earthquake-proof buildings