How are rocks "classified" or grouped?

• color

• size

• how they are formed

• texture

There are ____ different types of rocks.

• 3

• 10

• 5

• 8

Any type of rock can become another due to the rock ______.

Tags

NGSS.MS-ESS2-1

Igneous rocks are formed when _____ cools and hardens.

If lava cools quickly, it will NOT have crystals.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-4

If lava cools slowly, will the igneous rock have crystals?

• YES

• NO

Which igneous rock cooled quickly?

• 
• 

Which igneous rock cooled slowly?

• 
• 

What are tiny pieces of rock called?

• rocks

• pebbles

• sediment

• dirt

Tags

NGSS.MS-ESS2-3

Sedimentary rocks form when ________ of sediment build on top of each other.

Tags

NGSS.MS-ESS1-4