Vocabulary Words 8.1 Geology

What is the definition of a mineral?

• A natural glass formed from lava

• A solid, nonliving substance found in the earth that makes up rocks

• A common igneous rock that forms from magma

• A substance that dissolves in liquid

What does the term 'texture' refer to in the context of rocks?

• The process of becoming hard or solid

• The durability of a rock

• The size, shape, and sorting of the mineral grains in rocks

• The color of a rock

What does it mean to solidify?

• To break apart into smaller pieces

• To mix with liquid so no solid pieces are visible

• To make or become hard or solid

• To closely pack or press together

What is obsidian?

• A type of mineral that is soft and breaks easily

• A common igneous rock that forms from magma

• A dark rock or natural glass formed from lava that cooled very quickly

• A rock that has a rough texture

Granite is a type of rock that is:

• Formed from solidified mineral grains

• A dark rock or natural glass

• Able to last a long time in good condition

• A common igneous rock that forms from magma that cooled within Earth's crust

What does 'durable' mean?

• Able to dissolve in liquid

• Able to last a long time in good condition

• To make or become hard or solid

• To closely pack or press together

What does the verb 'compact' mean?

• To mix with liquid so no solid pieces are visible

• To make or become hard or solid

• To closely pack or press together

• To last a long time in good condition

What does 'dissolved' mean when referring to a substance?

• To become a solid, nonliving substance

• To closely pack or press together

• To mix with liquid so no solid pieces are visible anymore

• To last a long time in good condition