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27 Cards in this Set

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axis
"one of two lines in on a graph. X runs from left to right, and Y runs from top to bottom."
characteristic
a feature or trait that identifies something.
constants
things in an experiment that are kept the same and are not allowed to change or vary
control
"the standard for comparison in an experiment, often considered most common or normal."
dependent variable
something that changes as a result of a change in the independent variable.
hypothesis
a possible explanation for a set of observations
independent variable
a purposeful change in an experimental design
inference
an interpretation based on observation and prior knowledge.
observation
using all five senses to gather information
trial
one completion of an experiment. Most good experiments have multiple trials.
valid
based on truth or reason
validity
the reasonableness or truthfulness of something
variable
any factor that can change in an experiment
Celsius
metric measure for temperature
gram
the metric unit that goes with measuring mass
kilo
"1000 times a unit (a kilometer is 1000 meters, a kilogram is 1000 grams)"
liter
the metric unit that goes with measuring volume
mass
the amount of matter something is made of
meter
the basic unit of straight-line measurement in the metric system
milli
"1/1000th of a unit(a millimeter is 1/1000th of a meter, a milligram is 1/1000th of a gram)"
volume
the amount of space that something takes up
weight
the amount of gravitational pull on an object
balance
a device that measures mass
beaker
a jar with measurement marks and a lip for pouring
graduated cylinder
a thin container scaled in milliliters
scale
a device that measures gravity's pull on an object
test tube
a clear tube sealed at one end