1. a) Which is a true statement?
Rocks are made of minerals, but minerals are not rocks.
A mineral is made of two substances, including one organic substance.
A rock is made of only one substance.
Minerals are made of rocks, but rocks are not minerals.
b)
Which type of rock is formed from magma?
sedimentary
metamorphic
igneous
c) .
How is sedimentary rock formed?
It is formed through exposure to weathering and erosion, which breaks it down into sediment. It is then deposited in layers over long periods of time.
It is formed through the cooling of magma and/or lava below or above the surface of Earth.
It is pulled down far beneath the surface of Earth and exposed to extreme temperature and pressure.
d) Recall that color, streak, luster, cleavage, fracture, density, and hardness are the most common properties you can use to distinguish one mineral from another. From the choices below, select the statement that correctly describes cleavage.
how light is reflected on a mineral's surface
how a mineral breaks apart
resistance to scratching
mass per unit volume of a substance
e) Which choice is the parent rock of marble?
granite
shale
sandstone
limestone