3 Types of Rocks

Which of these are NOT one of the three types of rocks?

• Sedimentary

• Igneous

• Gray

• Metamorphic

"Ignis" means __________

• fight

• fire

• fourth grader

• fortune

What root word helps you remember how SEDIMENTARY rocks are formed?

• sediment

• sedi

• mentary

• iment

Which type of rock is formed when magma from a volcano cools and hardens?

• Metamorphic

• Sedimentary

• Igneous

• Hard

Basalt is a common igneous rock found in Minnesota. That means that Minnesota...

• ...is very warm in the winter.

• ...has a lot of volcanoes where we live now.

• ....has chosen Basalt as the State Rock.

• had volcanoes in many areas of the state.

Sedimentary rocks usually form at the bottom of the sea. What might be found in the layers of sedimentary rocks?

Check all boxes that are true.

• Fossils of prehistoric sea animals

• Mrs. Kempenich's glasses

• Bones of cows

• Fossilized plants

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Many of the rocks in the St. Croix Valley are sedimentary. What can you conclude about the locations these rocks are found?

• There used to be very tall mountains here.

• This area used to be the bottom of the sea.

• This area was a place dinosaurs roamed.

• There are tunnels underground.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

What base word in METAMORPHIC means "to change"?

• morph

• phic

• meta

• tamor

If you see several layers of different colors in rocks, what type of rock is the best guess?

• Metamorphic

• Igneous or Sedimentary

• Sedimentary

• Metamorphic or Igneous

If you found a lot of little pebbles made of igneous rock, then counted them, how many would you have if you told someone you had a GROSS of pebbles?

• 44

• 100

• 114

• 144