Properties of Minerals Test Reveiw

Minerals are identified and sorted by different characteristics. Luster is one way to sort minerals. What is a mineral's luster?

• the way that light reflects from its surface

• the mineral's elements and their arrangement

• the color that it makes when rubbed on a tile

• the way that it breaks when you strike it with a wedge

After rubbing topaz and fluorite together, Maria observes that the topaz scratches the fluorite. Which physical characteristic is Maria most likely trying to investigate by scratching these two minerals together?

• cleavage

• luster

• hardness

• streak

Mrs. King shows her class a sample of obsidian. She says the mineral reflects light well and has a glassy appearance. Which property of minerals is Mrs. King using to describe obsidian?

• cleavage

• color

• hardness

• luster

Mrs. Delgado found a rock sample and wants to observe all of its properties. She uses a hammer to break the rock to see what shape the pieces make. What property of minerals is Mrs. Delgado trying to find?

• luster

• cleavage

• hardness

• color

Mrs. Bridges wants to identify a material by observing its properties. What should Mrs. Bridges do to find the mineral's streak?

• Look closely at the sample to see if reflects light.

• Scratch the rock against a hard surface to see what color it makes.

• Scratch the rock with another rock to see if it makes a mark.

• Put the rock under a lamp and see if it reflects light.

The color of a mineral's streak is always the same as the actual color of the mineral.

• True

• False

Which type of rock is formed when particles of broken rock collect in the bottom of rivers and oceans and then become glued together?

• igneous

• metamorphic

• sedimentary

Sedimentary rocks can sometimes include the remains of dead animals or plants within it.

• True

• False

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which type of rock is formed when a rock is exposed to high heat and pressure?

• igneous

• metamorphic

• sedimentary

Tags

NGSS.MS-ESS2-1

Which type of rock is formed when volcanic lava cools and hardens?

• igneous

• metamorphic

• sedimentary