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18 Cards in this Set

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hypothesis
A statement that can be tested. A possible answer to a question
experiment
A series of steps used to test a hypothesis.
variable
Something that causes changes observed in an experiment.
control
A standard for comparing results. Normal or what is considered normal.
data
Quantitative observation
(measurements). Recorded facts or measurements from experiments.
theory
a hypothesis supported by evidence (a lot!) Is a very general statement like the cell theory-- All living things made from cells.
technology
Using science to improve human life.
observation
Using your senses to describe objects and or actions .
qualitative observation
Using describing qualities (example: color, shape, general size, texture, odor etc...)
qualitative observation
Describing using specific amounts,numbers or measurements. Tools to measure: ruler, balance, thermometer, grad. cylinger.
International System of Units
S.I.Units = is the modern term for metric units.
S.I Unit of length
meter
volume
The amount of space a substance occupies. The S.I. unit of volume is the cubic meter or Liter.
kilogram
S.I. Unit of Mass
mass
how much matter is in something
weight
Wieght is the measure of force of gravity on an object.
temperature
The measure of the amount of heat in something.
Celsius Scale
S.I. unit of temperature