1) What is the primary force that drives plate tectonics?

a) Gravity

b) Magnetism

c) Wind

d) Volcanic activity

Answer: a) Gravity

Rationale: Plate tectonics is primarily driven by the force

of gravity, which causes the movement of the Earth's

tectonic plates.

2) Which type of rock is formed from the cooling and

solidification of lava?

a) Sedimentary rock

b) Metamorphic rock

c) Igneous rock

d) Conglomerate

Answer: c) Igneous rock

Rationale: Igneous rock is formed from the cooling and

solidification of molten material (lava or magma).

3) What is an unconformity in geology?

a) A type of rock formation

b) A fossilized organism

c) A boundary between rock layers that represents a gap in

the geologic record

d) A geological fault line