Earth Science Ch. 2

You could use a ______ to examine the grains in a rock. 

Which can become a fossil?

After rocks go through property changes caused by heat and pressure ____ rock forms. 

_____ are solid nonliving materials that form in nature. 

Which is a property that you can identify just by looking at a rock?

There are nearly ____ minerals. 

Bubbling or fizzing after coming in contact with an acid is a mineral's ____. 

What makes sedimentary rocks different from the other types?

You can test the _____ of a mineral by rubbing it across a tile to see the color of powder. 

Pieces of minerals that make up a rock are called_____. 

When melted rock or lava cools and hardens, _____ rocks form. 

Coal, sandstone, granite, and quartz are all types of ______.

Fossils are usually found in _____ rocks.

____ was formed when a metamorphic rock was changed in a sedimentary rock.

You can test the _____ of a mineral by scratching the surface of the mineral.

When rock and materials settle on top of one another  _____ rock forms. 

You can test the ____ of a mineral by noticing how easily it breaks into flat sections. 

How a mineral's surface reflects light refers to its ___. 

___ is the softest mineral on the Moh's Scale.

If a mineral acts like a magnet, it has ____. 

___ is the hardest mineral on the Moh's Scale. 

One property easily identified just by looking at the mineral is its _____.

True or False  - A hand lens will help you see small details in the rock.

Something about an object that you can observe with your senses is known as a _______.

True or False - Fossils tell us the age of a rock.

Rocks are mostly made up of ____.