Rocks and Minerals Quick Check

An igneous rock forms quickly. Which characteristic could the rock have?(1 point)

smooth, sharp texture

large mineral crystals

small sand grains

evidence of folding

Which type of rock can be foliated?(1 point)

igneous rock that cools slowly

metamorphic rock

sedimentary rock

igneous rock that cools quickly

Amber, which is made from hardened tree resin, is a gem. Although amber is often used in jewelry, it is not a mineral. Which statement explains why amber is not a mineral?(1 point)

It is not valuable.

It is not solid.

It is not natural.

It is not inorganic.

Which option is a mineral?(1 point)

coal

pearl

garnet

wood

Minerals must have atoms that are tightly packed together and cannot move freely. Which part of the definition of a mineral does this describe?(1 point)

the requirement that minerals must have a defined crystalline structure

the requirement that minerals must be naturally occurring

the requirement that minerals must have a defined chemical composition

the requirement that minerals must be solids

1 answer

C- Smooth, Sharp texture
A- Metamorphic Rock
D- It Is Inorganic
D- Garnet
B- Must be a solid