The top layer of sediments in a sedimentary rock is...

• the newest and youngest layer.

• the oldest layer.

• the oldest layer that is made from pebbles.

• the second layer of sediments.

Tags

NGSS.MS-ESS1-4

Which of the following is associated with volcanoes?

• Sediments and soil

• Crystals and sand

• Magma and lava

• Mica and granite

Tags

NGSS.MS-ESS3-2

This rock is changed by heat and pressure.

• Igneous

• Metamorphic

• Sedimentary

This rock may be formed from magma that hardens.

• Sedimentary

• Igneous

• Metamorphic

Tags

NGSS.MS-ESS2-1

This rock is often found near water.

• Sedimentary

• Igneous

• Metamorphic

Tags

NGSS.MS-ESS2-4

This rock is usually made up of pieces of rock called sediments that have been pressed and cemented together.

• Sedimentary

• Igneous

• Metamorphic

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-1

Noah was asked to describe the texture of a rock that he found to help identify it. Which statement best describes Noah's response?

• My rock has one shiny side.

• My rock is able to scratch talc.

• My rock is smooth.

Lewis was asked to describe the luster of a rock from the playground. Which statement best describes Lewis' response?

• My rock is dull.

• My rock is smooth.

• My rock is able to scratch talc.

A geologist was trying to classify a rock based on its characteristics. The geologist began to scratch the rock using other minerals and her fingernail. Which statement is true?

• Scratching a mineral helps determine its color.

• Scratching a mineral helps determine its luster.

• Scratching a mineral helps determine its hardness.

• Scratching a mineral helps determine its texture.

What is the hardest mineral on the Mohs Scale?

• Diamond

• Talc

• Quartz

• Topaz