Earth's complex structure

Question 1

Layers of Earth

Answer 1

There are four layers of Earth: The inner core, Outer core, Mantel, and crust.

Question 2

Tectonic plates

Answer 2

The tectonic plates are Earth’s outermost layer which is made up of the crust and upper mantle.

Question 3

Tectonic plate movements (explain each one)

Answer 3

Convergent: where plates move into one another. Divergent: where plates move apart.
Transform: where plates move sideways in relation to each other.

Question 4

Earth Landforms

Answer 4

Mountains
Hill
Volcano
Plain
Plateau
Valley

Question 5

Mountains

Answer 5

A mountain is a high steep elevation.

Question 6

Hill

Answer 6

A hill also slopes upward but is less steep and rugged.

Question 7

Volcano

Answer 7

Volcanoes erupt with hot magma which hardens as it cools to form a new crust.

Question 8

Plain

Answer 8

A plain is a level area.

Question 9

Plateau

Answer 9

A plateau is a plain that sits high above sea level and usually has a cliff on all sides.

Question 10

Valley

Answer 10

A valley is a low-lying area that is surrounded by mountains.

Question 11

Continental margin

Answer 11

The continental margin is the transition zone of the seafloor between the coast and the deep ocean.

Question 12

Erosion

Answer 12

Erosion is the process by which rocks and soil slowly break apart and are swept away.