What are the various sizes rocks come in?

• Grains of sand only

• Large boulders only

• Grains of sand and large boulders

• Pebbles and small rocks

Sedimentary rocks are formed from smaller pieces of other rocks or sea creature ___

Tags

NGSS.MS-ESS2-3

How long have rocks been around?

• Thousands of years

• Millions of years

• Billions of years

• Trillions of years

Tags

NGSS.MS-ESS1-4

Metamorphic rocks change form due to extreme ___ or pressure.

Even small rocks are fascinating due to their ___ and origin.

Tags

NGSS.MS-ESS1-4

How many main types of rocks are there?

• One

• Two

• Three

• Four

What are igneous rocks formed from magma called?

• Sedimentary rocks

• Metamorphic rocks

• Granite

• Obsidian