Science- Chapter 8

​ (a)   : natural, non-living solid crystals that make up rocks

• Minerals
• crystals
• rocks
• diamonds

Each mineral ​has ​ (a)   that are a particular shape.

• crystals
• rock
• mineral
• powder

​ (a)   are different from each other because they are made of different combinations (mixtures) of minerals.

• rocks
• minerals
• crystals
• colors

Luster may be ​ (a)   ​ (b)   ​ (c)   ​ ​

• Dull
• Metallic
• Pearly
• dirty
• shiny

Luster may be ​ ​ (a)   ​ (b)   ​ (c)  

• glassy
• greasy
• silky
• cloudy
• hard

The way a surface reflects light

• Luster

• Color

• Texture

• Sheen

Each type of ​ (a)   always has the same combinations of minerals (like a recipe)

• rock
• mineral
• crystal
• diamond

How easily a mineral can be scratched

• Hardness

• Durability

• Strength

• Resilience

The color of the powder that a mineral leaves when it is scratched on a surface

• Streak

• Hue

• Shade

• Tint

When water, wind, ice and gravity sweep bits of rock, soil, shells, and dead plant and animal matter from one place to another

• Erosion

• Deposition

• Sublimation

• Condensation