What Are Rocks?

The surface of Earth is made of _______.

• glass

• rocks

• water

Tags

NGSS.MS-ESS2-1

Rocks can be ?

• hard

• glass

• large

• small

• in different colours

Chalk is a kind of smooth rocks.

• 
• 
• 

Pumic are very .................rocks .

• rough

• smooth

• shiny

limestone is a very ....................... rocks

• rough

• smooth

• shiny

This rock is hard and has large grains

• sandstone

• granite

• limestone

• sandstone

This rock is made up of layers of grain.

• granite

• limestone

• marble

• sandstone

Tags

NGSS.MS-ESS1-4

What are the three main types of rocks?

• Igneous, Sedimentary, Metamorphic

• Igneous, Volcanic, Crystalline

• Sedimentary, Fossilized, Mineral

• Metamorphic, Erosive, Organic

Which process is primarily responsible for the formation of sedimentary rocks?

• Melting and cooling

• Erosion and deposition

• Heat and pressure

• Crystallization

What type of rock is formed from the cooling and solidification of magma or lava?

• Sedimentary

• Metamorphic

• Igneous

• Fossilized