Rocks

small particles that make up all rocks are called

• sediments

• grains

• chemicals

How a rock's surface looks and feels is the rock's

• composition

• structure

• texture

rocks that form when magma or lava cools are

• igneous rocks

• metamorphic rocks

• sedimentary rocks

which kind of rock forms when heat and pressure change a rock?

• intrusive rock

• metamorphic rock

• sedimentary rock

Basalt is an example of

• extrusive rock

• organic rock

• clastic rock

Granite is a light colored rock because it is made up mostly of

• gas

• sediment

• silica

A rock that is used for cleaning and polishing is

• pumice

• obsidian

• basalt

Which kind of sedimentary rock do coral reefs form?

• sandstone

• flint

• limestone

The process in which sediments are "glued" together is called

• deposition

• cementation

• compaction

Metamorphic rocks with their grains lined up in layers are called

• foliated rocks

• chemical rocks

• extrusive rocks