How Do You Classify Rocks

Priscilla is classifying rocks in her collection.  She knows that limestone often contains fossils.  In which category of rock should she classify these rocks?

• Igneous
• Granite
• Metamorphic
• Sedimentary

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Logan is examining a piece of limestone with a hand lens.  He knows that sedimentary rock has many properties.  Which is a property of sedimentary rock?

• It contains no minerals.
• It is made of many layers.
• It is made from magma or cooled lava.
• It is made from the bacteria of live and dead plants.

This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?

• Sedimentary Rock
• Metamorphic Rock
• Igneous Rock

Tags

NGSS.MS-ESS2-1

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage

What process is used to form sedimentary rocks?

• Lava cools and hardens to form a rock.
• Weathering, Erosion, Deposition, Compaction, Cementation
• Extreme heat and pressure from inside the Earth turn rocks into new rocks.
• Magma trapped under the Earth's surface cools and solidifies.

Which of the words below describe broken up rock?

• stalactites
• magmas
• metamorphs
• sediments

This rock was formed by smaller pieces of rock that settled at the bottom of a lake 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

When sediments are pressed together tightly, this is called ____________.

• Compaction
• Cementation
• Weathering
• Erosion

Tags

NGSS.MS-ESS2-1

This rock was formed when molten rock cooled into a solid. What type of rock is it?

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock