Rocks Review

Which of the following rocks would have the smallest/finest grain size?

• Conglomerate

• Siltstone

• Sandstone

• Breccia

How would rock salt, gypsum, and dolostone/dolomite be classified?

• Biochemical

• Clastic

• Chemical Precipitate

• Organic

Tags

NGSS.MS-ESS2-1

An igneous rock that crystalizes and cools above the surface of the Earth would be...

• magma

• intrusive

• lava

• extrusive

How many classes of rocks are there in the rock cycle?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-ESS2-1

What causes contact metamorphism?

• elevated heat and pressure together

• elevated heat only

• elevated pressure only

Tags

NGSS.MS-ESS2-2

What features do we look for to classify igneous rocks?

• Size and shape

• Texture and grain size

• Compaction and grain size

• Composition and Texture

What are the flat layers that sometimes form in rocks that are exposed to high pressure and temperature called?

• bedding planes

• foliation

• layers

• hornfels

Tags

NGSS.MS-ESS2-2

If a rock is classified as organic, it is...

• metamorphic

• igneous

• sedimentary

If a rock is considered to be foliated, it would have to be...

• Metamorphiuc

• Igneous

• Sedimentary

Tags

NGSS.MS-ESS2-1

If a rock has a phaneritic texture, it would be...

• Igneous

• Sedimentary

• Metamorphic