Earth
Minerals and rocks
minerals and rocks
forces inside Earth
forces inside Earth
100
365 days
What is a year?
100
element or compound found in earth's crust
What is mineral?
100
the hardest mineral
What is a diamond?
100
the layer of earth that surrounds the core
What is the Mantle?
100
bending of rock layers that are squeezed together
What is folding?
200
line of latitude halfway between the poles
What is the Equator?
200
color of the mark a mineral makes on a white tile.
What is Streak?
200
the softest mineral
What is talc?
200
the top layer of Earth
What is the crust?
200
Opening through which magma reaches Earth's surface.
What is a Vent?
300
distance east and west of the prime meridian
What is Longitude?
300
The way a mineral reflects light
What is Luster?
300
two main kinds of minerals
What is metalic and nonmetalic?
300
the solid and melted layer at the center of Earth
What is the core?
300
Mountain that develops where magma erupts onto earth's surface.
What is a volcano?
400
Line of zero longitude
What is the prime meridian?
400
The ability of a mineral to resist being scratched
What is hardness?
400
the hardness of quartz
What is 7 on the mohs scale of hardness
400
Theory that the ocian floor spreads apart as new crust is formed at the mid-oceanic ridge.
What is Seafloor Spreading?
400
Small volcano with steep sides and explosive eruptions of ash and rocks
What is a Cinder cone?
500
section of earth that is north or south of the equator or east or west of the prime meridian.
What is a hemisphere?
500
two common minerals
What is quartz and calcite?
500
what talc is used for
What is powder?
500
theory that Earth's crust is made up of large sections that move.
What is Plate Tectonics?
500
Volcano with a wide crater, developing from layers of lava.
What is a Shield volcano?
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