none of these are multiple choice BTW

Which mineral property can be determined simply by observation?

magnetic properties

reaction to acid

luster

hardness

When a rock is altered by extreme heat and pressure, what type of rock is the result?

clastic

metamorphic

igneous

sedimentary

If a mineral can be mined, what is it called?

a metal

a gemstone

a precious jewel

an ore

What do most minerals on Earth’s surface contain?

oxygen and silicon

nitrogen and oxygen

silicon and nitrogen

sulfur and hydrogen

How would you best describe the texture of an igneous rock that formed extremely slowly underground?

pegmatitic

glassy

porphyritic

dull

In which environment might you expect a deposit of rock salt or rock gypsum to have formed?

fast moving stream

coastline

deep ocean

shallow sea

Which of the following is not an external force that acts on rocks in the rock cycle?

water

ice

pressure

wind

In addition to subduction, what changes sedimentary rocks to metamorphic rocks?

wind

temperature

nitrogen

gravity

Which place is an area where sediments may be deposited?

convergent plate boundary

river delta

newly formed mountain

divergent plate boundary