Vocab 2

Question 1

Earthquake

Answer 1

A violent shaking of the ground caused by movements in the Earth’s crust or volcanic activity.

Question 2

Seismic

Answer 2

Pertaining to earthquakes or Earth’s vibrations.

Question 3

Seismograph

Answer 3

Records earthquake force and duration.

Question 4

P-waves

Answer 4

A seismic wave compressing the ground, moving through solids and liquids.

Question 5

S-Waves

Answer 5

A seismic wave causing shearing motion, traveling only through solids.

Question 6

Richter Scale

Answer 6

measuring earthquake strength through calculations.

Question 7

Magnitude

Answer 7

A measure of earthquake energy, expressed as a number.

Question 8

Magma

Answer 8

Molten rock beneath the surface

Question 9

Lava

Answer 9

Molten rock that has been released above the surface

Question 10

Volcano

Answer 10

An opening where lava, rocks, and steam erupt from within the Earth.

Question 11

Seafloor
spreading

Answer 11

Earth’s crust consists of moving plates that shape landforms and geology.

Question 12

Divergent plate
boundary

Answer 12

Two tectonic plates divide, forming ridges.

Question 13

Convergent plate
boundary

Answer 13

Denser oceanic plates sink beneath continental plates during collisions.

Question 14

Transform plate
boundary

Answer 14

Two tectonic plates slide against each other.