4.1 Inside the Earth

Question 1

the soft layer of the mantle on which the tectonic plates move

Answer 1

asthenosphere

Question 2

the central part of the Earth below the mantle

Answer 2

core

Question 3

the thin and solid outermost layer of the Earth above the mantle

Answer 3

crust

Question 4

the solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle

Answer 4

lithosphere

Question 5

the layer of rock between the Earth’s crust and core

Answer 5

mantle

Question 6

the strong, lower part of the mantle between the asthenosphere and the outer core

Answer 6

mesosphere

Question 7

a block of lithosphere that consists of the crust and the rigid, outermost part of the mantle

Answer 7

tectonic plates

Question 8

a substance composed of two or more elements

Answer 8

compound

Question 9

vibrations produced by earthquakes

Answer 9

seismic wave

Question 10

a machine that measures the times a which seismic waves arrive at different distances from an earthquake

Answer 10

siesmograph