Rocks and Minerals Unit 2 Test review Test Friday!!!!

Answer the following questions: True or False

Igneous rock is still forming today in volcanoes. True

During metamorphosis, limestone might change to marble. True

In the rock cycle, igneous, sedimentary, and metamorphic rock can change into another. True

All rocks are the same. False

The rock cycle is a slow process that does not stop. True

Minerals are evenly distributed around the world. False

Rocks may be made of two or more minerals. True

Physical properties include color, hardness, and cleavage. True

Minerals grow in an orderly, repeating fashion. True

There are about a hundred minerals on earth. False

Fill in the blank

____ breaks evenly along curved or irregular surfaces. Fracture

____ used to identify the hardness of a mineral. Moh’s Hardness Scale

____ measure of amount of matter in a given space. Density

____ characteristic that can be observed or measured. Physical Properties

____ breaks along a flat surface. Cleavage

____ differences caused by weathering or impurities. Color

____ refers to a mineral’s resistance to being scratched. Hardness

____ Color of mineral’s inside powder. Streak

____ the way a mineral’s surface reflects light. Luster

Erosion is the Process of? Carrying away sediments

What are the 5 characteristics of a mineral? Inorganic, solid, naturally occurring, chemical compositions, crystal structures

How do scientist classify rocks? How they are formed

What process transforms magma into igneous rocks? Cooling

What are Igneous rocks that are formed from lava called? Extrusive Rocks

What are Igneous rocks that are formed from magma called? Intrusive Rocks

Scientist also classify rocks according to their ____ and _____. Color and Texture

What are the two types of luster? Metallic and Non-metallic

What is the continual process of a rock changing from one form to another? The Rock Cycle

What type of rock is granite? Igneous

What type of rock is sandstone? Sedimentary

What type of rock is quartzite? Metamorphic

What factors change a rock into a metamorphic rock? Heat and Pressure

Which kind of rock forms from magma that settles on the ocean floor? Igneous