Rocks and rock cycle review

Define rock -

• a combination of minerals and other rocks

• the mass divided by the volume of a material

• a pure, inorganic substance made from living things

How are igneous rocks formed?

• layers of rock "glued" together

• great heat and pressure

• molten (liquid) rock cooling back into a solid

How are metamorphic rocks formed?

• great heat and pressure

• molten (liquid) rock cooling back into a solid

• layers of rock being "glued" together

Sediment is made up of small bits of rock and minerals that have been worn away due to weathering.

• true

• false

How are sedimentary rocks formed?

• great heat and pressure

• layers of rock being "glued" together

• molten (liquid) rock cooling back into a solid

Tags

NGSS.MS-ESS2-1

When magma cools SLOWLY deep inside the Earth, what size mineral crystals does the rock have as a result?

• Coarse (large enough to see)

• Fine (too small to see without a microscope)

Which rock is the metamorphic rock?

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Which sample is the EXTRUSIVE igneous rock?

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A FOLIATED metamorphic rock has what trait?

• lots of holes from trapped air bubbles

• one solid color

• parallel bands of minerals (stripes)

Why is COAL considered to be an ORGANIC rock?

• it's made from once living swamp plant material

• liquid lava cooled quickly to form coal

• great heat and pressure squeezed the rock