Rocks Review

What is the definition of Rock?

• The opposite of mineral

• A naturally occurring solid composed of minerals

• a solid inorganic substance

What is a grain?

• The tectonic process that forces rocks onto earth's surface

• A small unseen substance

• Something in a granola bar

• An individual particle in a rock

What is the rock cycle?

• Order of events happening to a rock

• the series of processes that change one type of a rock to another.

• The cycle of a rocks life

Which of the 3 is not a main type of rock?

• Magma

• Igneous

• Metamorphic

• Sedimentary

How is a sedimentary rock formed?

• sediments/cemented and compacted

• magma and lava

• Heat and pressure

How is a igneous rock formed?

• heat and pressure

• sediments

• magma/lava

How is a metamorphic rock formed?

• heat and pressure

• lava and magma

• sediments compacted together

Which is not a example of a igneous rock

• obsidian

• chalk

• granite

• pumice

True or false: sediments heat and compact to form a sedimentary rock.

• True

• False

True or False: metamorphic rocks melt inside earth and become magma.

• True

• False