Minerals 2020

Which statement describes one feature of a mineral’s definite chemical composition?

• It always occurs in pure form.

• It always contains certain elements.

• It cannot form from living or once-living materials

• It cannot contain atoms from more than one element.

Tags

NGSS.MS-PS1-1

Which statement describes streak?

• Streak refers to the way light is reflected by a mineral.

• Streak is the least accurate way to identify minerals.

• Streak is tested by scraping a mineral across a streak plate.

• The color of the streak is the same as the color of the mineral.

Which property indicates how light is reflected from a mineral’s surface?

• cleavage

• density

• luster

• streak

Tags

NGSS.MS-PS4-2

These minerals were formed through crystallization of molten materials.

Which statement best describes these two minerals?

• The mineral on the left formed from lava.

• The mineral on the right formed from magma.

• The mineral on the left has smaller crystals than the mineral on the right.

• The mineral on the left cooled more slowly than the mineral on the right.

Which example lists minerals from hardest to softest?

• apatite, quartz, fluorite, talc

• diamond, talc, fluorite, topaz

• talc, calcite, orthoclase, diamond

• corundum, quartz, calcite, gypsum

Which correctly lists three characteristics of minerals?

• solid, crystal structure, fixed (definite) chemical composition

• organic, crystal structure, fixed (definite) chemical composition

• human-made, solid, organic

• crystal structure, definite chemical composition, human-made

A ranking of a minerals from softest to hardest

• streak test
• luster test
• Mohs hardness scale
• fracture

Tags

NGSS.MS-PS1-2

Minerals are inorganic which means that

• they were once parts of living things.
• renewable
• they were never part of anything living.
• they are nonrenewable

Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?

• luster
• color
• streak
• cleavage

The solid, geometric form of a mineral produced by a repeating pattern of atoms

• crystal
• density
• element
• fracture 

Tags

NGSS.MS-PS1-1