NHS review

Use the diagram of the Earth to answer the question below.

Which of the following layers is the most dense and has the highest temperature?

HINT The deeper in the Earth, the hotter and denser

• 1

• 2

• 3

• 4

Which of the following actions allows Earth’s tectonic plates to move?

• The lithosphere slides on top of the convection currents of the asthenosphere

• The asthenosphere pushes up on the crust.

• The core spins inside the mantle.

• The crust sinks into the core due to the pull of gravity.

Which layer in the image above represents the layer of the Earth composed of liquid metal?

• 1

• 2

• 3

• 4

Which of the following models would best represent the inner and outer core of Earth, based on the physical characteristics of each layer?

• A metal ball bearing (solid) surrounded by oil (liquid).

• Gelatin (red semi-solid) on top of a cracker (brittle solid). 

• A ball of clay (solid) filled with water (liquid)

• Rubber ball (flexible solid) painted red (thin solid covering)

Tectonic plates can be composed of which of the following...

• continental crust

• oceanic crust

• both A and B

• neither A or B

Not only is this the largest plate but it is also the only plate that is primarily underwater. Identify the name of the plate that best fits this description.

• Indo-Australian

• Pacific

• African

• North American

An illustration of the major tectonic plates is provided below:

Which of the labeled plates in the illustration is the Eurasian Plate?

The continental United States is located on the ______ plate.

• African

• Pacific

• North American

• South American

The movement of Earth’s plates causes which of the following geologic events?

• high winds and drought

• earthquakes and volcano

• tsunamis and tropical storms

• hurricanes and tornadoes

Earthquakes are geologic events that cause vibrations to move through Earth’s crust. Which of the following plate movements causes earthquakes?

• tectonic plates slamming together at high speed

• tectonic plates slowly sliding against each other

• a tectonic plate splitting into two pieces

• a tectonic plate flipping over