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19 Cards in this Set

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The passing of heat, electricity, or sound through a material.
conductor
One of the changes in a situation that may affect the outcome of an experiment.
variable
The way light bounces off a mineral's surface.
luster
A cold, treeless biome of the far north, marked by spongy topsoil.
tundra
A seed plant that does not produce flowers.
gymnosperm
A cool, forest biome of conifers in the upper Northern Hemisphere.
taiga
The support about which a lever turns.
fulcrum
Any group of gymnosperms that produce seeds in comes and have needlelike leaves.
conifer
Said of a plant that loses its leaves each fall.
deciduous
The resistance to motion between two in contact.
friction
A weight that balances another.
counterweight
The northern or southern half of the earth divided by the equator or the eastern or western half divided by a meridian.
hemisphere
One of the Earth's large ecosystems, with its own kind of climate, soil, plants, and animals.
biome
Fungi of bacteria that break down dead plants and animals into useful things like minerals and rich soil.
decomposers
A thermometer scale where the difference between the freezing point and boiling point of water is divided into 100 degrees.
centigrade
A characteristic that enables a living thing to survive in its environment.
adaptation
All the living and nonliving things in an area and their interactions with each other.
ecosystem
An imaginary great circle on the Earth's surface passing through the north and south poles and any given place between.
meridian
A rock formed under heat and pressure from another kind of rock.
metamorphic rock