5th Grade 1B

An inorganic substance found naturally in the earth is a _______

• Vein

• Mineral

• Crystal

• Gyser

How do minerals form

• cooled, melted rock

• cooled, hard rock

• hot, melted rock

• hot, hard rock

Something made of things that have never been alive is _________

• Luster

• Organic

• Inorganic

• Cleavage

Minerals can be found in _____ buried in the earth's crust

• Cleavages

• Melted Rocks

• Crystals

• Veins

When a mineral breaks unevenly in many directions that is called a _______

• Vein

• Inorganic

• Cool

• Fracture

This can be determined by how easily it can scratch other minerals

• weakness

• hardness

• softness

• cleanliness

This is a way to identify a mineral based on the color of the mark left when it is rubbed on a harder surface

• streak

• hardness

• cleavage

• Luster

This is when a mineral breaks apart along smooth, straight lines or flat sheets

• streak

• luster

• cleavage

• crystal structure

When particles of a mineral in an orderly arrangement

• streak

• luster

• crystals

• crystal structure

Tells if a mineral reflects very little light or if it sparkles under light

• luster

• shine

• blister

• cluster