Minerals Unit Test

What is the thickness of Earth's crust?

• 670 km to 2885 km

• over 1216 km

• 5 km to 60 km

• 5 km to 670 km

Which of the following is the largest and most complex layer of Earth?

• inner core

• outer core

• mantle

• crust

Most minerals may be classified by the shape of their crystals. How many major crystal systems are there?

• 4

• 5

• 6

• 8

A mineral is scratched along a piece of porcelain. Which term describes the powdery mark left behind?

• fracture

• luster

• streak

• residue

A mineral is split apart. Which term describes the rough, uneven surface produced?

• cleavage

• fracture

• luster

• streak

Minerals are made up of one or more

• crystals

• elements

• rocks

• structures

Tags

NGSS.MS-PS1-1

Which mineral has the greatest hardness value on the Mohs Hardness Scale

• diamond

• calcite

• feldspar

• quartz

Muscovite mica will peel off in flat sheets. This is an example of which physical characteristic?

• cleavage

• fracture

• hardness

• streak

Which of the following is NOT a method used to identify minerals?

• crystal shape

• crystal size

• cleavage

• hardness

Which of the following is NOT a characteristic of minerals?

• solids at room temperature

• formed by natural process

• formed from living organisms

• having the atoms within the mineral arranged in a pattern

Tags

NGSS.MS-PS1-1