Minerals
Rocks
Sorting Rocks
Fossils
Natural Resources
100
The mark that a mineral leaves behind when it is scraped across a rough surface.
What is streak?
100
Two or more of this thing makes up a rock.
What is a mineral?
100
This tool is used for separating materials when sorting rocks
What is a sieve?
100
Plants and animals that are no longer living
What is extinct?
100
an important material from Earth that living things need
What is a natural resource
200
The way a mineral reflects light.
What is luster?
200
This type of rock is created by heat.
What is an igneous rock?
200
A large rock that is rounded or worn down by water and weather
What is a boulder?
200
the remains or mark of a living thing from long ago
What is a fossil?
200
a resource that can be replaced in a fairly short amount of time
What is a renewable resource
300
A test that is done by scratching the mineral with you fingernail, a coin, a steel file, or a blade.
What is hardness?
300
This type of rock is formed when sand, shells, bones, or pebbles are forced together and cemented.
What is a sedimentary rock?
300
a small rock that is usually worn smooth and round by water.
What is a pebble?
300
sediments cover the remains of an animal and turn to rock over time
How do fossils form?
300
a resource that cannot be replaced
What is a nonrenewable resource
400
Minerals form this type of natural material.
What is a rock?
400
This type of rock is formed when existing rock is changed by heat and pressure
What is a metamorphic rock?
400
tiny grains of broken rock.
What is sand?
400
This type of fossil is formed when an animal steps down on the earth and it hardens
What is a footprint fossil
400
where we find many of earth's nonrenewable resources
What is underground
500
the simplest way to identify a mineral.
What is the color?
500
This type of rock is used to make chalkboards.
What is slate?
500
very fine particles of earth and sand carried by moving water
What is silt?
500
If a fossil of a fish was found in a desert, then scientists can figure this out about that certain area.
There was water there at some point in time.
500
a special type of rock that contains metal and other minerals that people use.
What is ore
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