Grade 9 Understanding Natural Hazards - team challenge

What is the key term for 'the thin and almost liquid upper layer of the earth’s mantle below the lithosphere'?

• Mantle

• Core

• Asthenosphere

• Lithosphere

Which type of crust is the heaviest and densest?

• Oceanic crust

• Continental

Convection currents are caused by the _____ of heated fluid and _____ of cooled fluid.

• rising, falling

• falling, rising

What is the name of a plate boundary where two continental plates move past each other in opposite directions (sliding past each other)?

• Destructive/Convergent

• Constructive/Divergent

• Collision/Convergent

• Transform/Conservative

What is meant by epicentre?

• The point inside the crust where the pressure is released.

• The point on the Earth's surface above the focus.

• Waves of energy that travel through the Earth's layers, and are a result of earthquakes.

• Solid and rocky outer layer of the earth consisting of the crust.

Which of these is not a measure of earthquakes (past or present)?

• Modified Mercalli Scale

• Moment Magnitude Scale

• Earthquake Explosivity Index (EEI)

• Richter Scale

Which types of waves cause the most shaking on the earths surface?

• P-waves

• S-waves

• Surface waves

• Surfing waves

True or false - There is a fault line within 500 meters of ISM?

• True

• False

The Philippines sits of what type of plate

• Transform/Conservative

• Destructive/Convergent

• Collision/Convergent

• Constructive/Divergent

What type of volcano is shown in the photo?

• Shield volcano

• Stratovolcano

• Cinder cone

• Caldera