Rock Cycle: Types of Rocks

Which word refers to small particles of broken down rock?

• Sediment

• Magma

• Lava

• Crust

Tags

NGSS.MS-ESS2-1

Which word refers to molten rock below Earth's surface?

• Sediment

• Magma

• Crust

• Mantle

Sedimentary rocks are formed when sediments are ___________ and ____________ .

• Melted, compressed

• Compacted, cemented

• Squished, cooled

• Cemented, eroded

Igneous rocks form when ___________ cools and __________ .

• magma, hardens

• mantle rock, compacts

• older rock, melts

• magma, cements

This rock is made from tiny pieces of other rocks that settled to the bottom of a valley millions of years ago. What type of rock is this?

• Sedimentary

• Igneous

• Metamorphic

This rock was found near the mouth of a volcano. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

Tags

NGSS.MS-ESS2-1

This rock cooled on the outside of a volcano and contained air bubbles when it was forming. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

Based on the characteristics you see, what is the type of rock?

• sedimentary

• igneous

• metamorphic

Based on the characteristics you see, what type of rock is this?

• sedimentary

• metamorphic

• igneous

Can you always tell what type of rock something is just by looking at it?

• Yes; sedimentary rocks and igneous rocks do not share any characteristics in common, so you can easily identify them.

• No; many rocks share the same characteristics, so you sometimes need to analyze what minerals they are made of.

• Yes; all minerals have specific colors, so looking at the color tells you what minerals are in the rock.

• No; it is impossible to know what type of rock a sample is.