A natural substance, found in the earth, that was never alive (nonliving).
What is a mineral?
100
The Moh's Hardness Scale
What is the scale used to measure the hardness of a mineral?
100
A solid material made up of more than one minerals that is found in the earth.
What is a rock?
100
These are formed in a cycle and change according to conditions of the environment.
What are rocks?
100
sandstone, limestone, shale
What are some kinds of sedimentary rock?
200
Something you can observe, such as color or shape, that tells you about a mineral.
What is a "property"?
200
The hardest mineral. It can only be scratched by itself.
What is a diamond?
200
shape, color, texture, size
What are the characteristics of rocks?
200
This rock begins at the bottoms of lakes, rivers, or oceans; sediment, made of small pieces of sand, clay, shells, or other smaller rocks are pressed together, in layers, over time and then hardened to form a rock.
What is a sedimentary rock?
200
marble, quartzite, slate
What are some kinds of metamorphic rocks?
300
A common mineral that you might use to season your food.
What is salt?
300
The property that helps identify a rock or mineral by how it feels to the touch.
What is texture?
300
A rock that contains particles like sand, shells, pebbles, and other materials that have been pressed down and cemented together. It may also contain fossils. These rocks often have a dull appearence.
What is a sedimentary rock?
300
This rock is formed when another rock is changed by pressure and heat under the earth's surface.
What is a metamorphic rock?
300
granite, obsidian, balsalt
What are some kinds of igneous rock?
400
The test that scientists use to identify a mineral by its hardness.
What is a scratch test?
400
The property that helps identify a rock or mineral by how it reflects light, or how shiny or dull it is.
What is luster?
400
A type of rock that forms beneath the surface of the earth; it has ribbon-like layers, and may have shiny crystals on them. These rocks may look like igneous rocks excpt they often have bands of color or they have layers which break along flat suraces (flake).
What is a metamorphic rock?
400
This rock is formed when molten (melted) rock, or magma, from deep in the earth comes out of a volcano. As the lava cools it forms this type of rock.
What is an igneous rock?
400
types of rocks that contain fossils
What are sedimentary rocks?
500
Name one mineral used to make jewelry. It is very valuable.
What is gold?
500
The property that helps identify a rock or mineral when scratched on a surface.
What is color?
500
A type of rock made from lava when is cools. It may look smooth and shiny or it may form with tiny holds and gas bubbles in it.
What is an igneous rock?
500
True or false: Rocks are the same things as minerals.
What is false?
500
When weathering and erosion break down rocks into sediment which then becomes a sedimentary rock. When other rocks undergo heat and pressure and become metamorphic rock. When melted rock erupts through volcanos and then cools to become igneous rock.