Classifying Rocks into One of Three Main Categories

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

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

Tags

NGSS.MS-ESS2-3

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

Tags

NGSS.MS-ESS2-1

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

Tags

NGSS.MS-ESS2-1