Structure of the Earth
Plate Tectonics
Rock Cycle
Weathering, Erosion and Deposition
Volcanoes
100

The thin, outermost layer of the Earth.

What is the crust?

100

Plates move apart at this type of boundary.

What is a divergent boundary?

100

Any rock type can melt to form this.

Answer: What is magma? (or lava)

100

The breaking down of rocks into smaller pieces.

Answer: What is weathering?

100

Mount Ruapehu is an example of this type of volcano.

Answer: What is a stratovolcano (composite volcano)?

200

The thick layer beneath the crust, made of semi-solid rock.

What is the mantle?

200

Earthquakes often occur at this type of boundary where plates slide past each other.

What is a transform boundary?

200

Magma cooling forms this type of rock.

Answer: What is igneous rock?

200

The movement of rock particles by wind, water, or ice.

Answer: What is erosion?

200

The type of volcano that forms from runny lava

What are shield volcanoes?

300

The inner core is solid because of this factor.

Answer: What is immense pressure?

300

The Andes Mountains formed at this type of boundary.

What is an oceanic-continental convergent boundary?

300

Heat and pressure transform existing rocks into this type.

Answer: What is metamorphic rock?

300

The process where sediments are laid down in new locations.

Answer: What is deposition?

300

The large depression left after a volcano collapses following a massive eruption.


What is a caldera?

400

The Earth’s magnetic field is generated by convective movement in this layer.

What is the outer core?

400

The process where one plate sinks beneath another through converging

What is subduction?

400

Weathering and compaction form this type of rock.

Answer: What is sedimentary rock?

400

Rusting of iron-rich rocks is an example of this type of weathering.

Answer: What is chemical weathering?

400

The special term that refers to the runniness of the lava (how well it flows)

What is viscosity?

500

The Earth’s layers are studied using this type of wave.

Answer: What are seismic waves?

500

Plate tectonics is powered by this type of heat and liquid movement in the mantle.

Answer: What is convection?

500

The driving energy sources of the rock cycle are these two.

Answer: What are Earth’s internal heat and the Sun’s energy?

500

The name of the process where wind-blown sand carves rock surfaces is called this.


Answer: What is abrasion?

500

A fast‑moving, deadly cloud of hot gas and ash from a volcano.

Answer: What is a pyroclastic flow?