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29 Cards in this Set

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  • Back
Polaris
the North Star
Ptolemy popularized the _________________ model of the universe.
geocentric
axis
the imaginary rod that stretches through Earth between North and South Poles
Energy of motion
Kinetic energy
revolution
complete orbit around the Sun
The hardest mineral is a__________.
diamond
A device used to make work easier
machine
The fixed point around which a lever turns
fulcrum
Stored energy
Potential energy
terrestial planets
planets with features like Earth's
The Moh's scale can be used to estimate the _________ of a mineral.
hardness
The most common type of "energy factories" on Earth are___________.
green plants
Name the five properties used to test a mineral.
color, luster, streak, hardness, and cleavage
Rotation
spinning of the Earth on its axis
A simple machine made up of 2 wheels that turn around the same point
wheel and axle
A metal from which metals can be removed
ore
A wheel around which a rope or chain is passed
pulley
The transfer of energy through solids
conduction
Magma that reaches Earth's surface
lava
True or False:Pluto is always the farthest planet from the Sun all the time.
False
What is the most common type of sand?
quartz sand
An inclined plane that moves
wedge
the transfer of energy by waves
radiation
The transfer of energy through fluids by moving particles
convection
energy
the ability to cause change
Molten rock material formed deep in the Earth
magma
A simple machine that is made up of a bar that turns around a fixed point
lever
A simple machine with a sloping surface
inclined plane
meteor
piece of rock that enters Earth's atmosphere and then burns up