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Liberty Physical Science 1

Terms

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control group
in an experiment, the group that experiences no change in the variable
variable
in a controlled experiment the factor that is deliberately changed or altered
experimental group
the group in which the variable is altered
conclusion
an answer that seems to best fit the data analysis
hypothesis
an educated guess at the solution to a problem
analyze
looking for relationships among data
law
a statement of a consistent pattern of phenomena in nature; a theory that has been verified through numerous experiments and observations
qualitative data
descriptive information not involving numbers
controlled experiment
an experiment that attempts to look at just one factor or variable that could help answer the original problem
quantitative data
measurable or numerical information
List the six foundational steps involved in the scientific (experimental) method.
1. problem 2. hypothesis 3. controlled experiment 4. analysis 5. conclusion 6. verification
The symbol for kilogram is __________.
kg
The symbol for meter is __________.
m
The kelvin measures __________.
temperature
The basic unit used to measure length is the __________.
meter (m)
The symbol for ampere is __________.
A
The symbol for second is __________.
s
The ampere measures __________ __________.
electrical current
The symbol for mole is __________.
mol
The symbol for candela is __________. cd
cd
The prefix for 100 times the basic unit is __________.
hecto- (h)
The second measures __________.
time
The kilogram measures __________.
mass
The prefix for 1,000,000 times the basic unit is __________.
mega- (M)
A __________ is 10 times as large as a meter.
A __________ is 10 times as large as a meter. dekameter (dkm)
The prefix for 1/10 of the basic unit is __________.
deci- (d)
The prefix for 1/1000 of the basic unit is __________.
milli- (m)
The prefix for 1/100 of the basic unit is __________.
centi- (c)
The symbol for megameter is __________.
Mm
One kilogram contains how many grams?
1000 g
The liter is the unit of __________ in the metric system.
volume
The symbol for kilometer is __________.
km
A __________ is 1000 times as large as a meter. kilometer
(km)
One liter contains how many milliliters?
1000 mL
A __________ is 100 times as large as a meter.
hectometer (hm)
The symbol for hectometer is __________.
hm
The symbol for dekameter is __________.
dkm
The prefix for 1,000 times the basic unit is __________.
kilo- (k)
The prefix for 1/1,000,000 of the basic unit is __________.
micro- (u)
The prefix for 10 times the basic unit is __________.
deka- (dk)
The mole measures the __________ of __________.
amount of substance
The symbol for kelvin is __________.
K
The candela measures __________ __________.
light intensity
The meter measures __________.
length
A __________ is 1,000,000 times as large as a meter.
megameter (Mm)

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