Earth Science Chapter 7

Breaks along flat surfaces

• cleavage

• fracture

• streak

Can be tested by scratching

• specific gravity

• crystal

• hardness

Examples: glassy, pearly or metallic

• crystal

• streak

• luster

Solid element or compound that is found in the earth

• fracture

• mineral

• streak

Color of the mark left on a tile

• streak

• cleavage

• fracture

Not all minerals are ___.

• solids

• found in the earth

• shiny

Mineral sample A is harder that mineral sample B if ___.

• A weighs more than B

• A scratches B

• A leaves a bigger streak that B

Gold and pyrite (Fool's gold) are different in ____.

• color

• luster

• streak

Two kinds of luster are ___.

• shiny and hard

• metallic and nonmetallic

• yellow and cube-shaped

You test for streak by ___.

• rubbing a mineral sample on a white tile

• breaking a mineral sample

• weighing a mineral sample in water