SigFigs
0.10 has this many significant figures
what is two
Convert 5g to kg
0.005kg
What is precise
Define Significant figures
The number of figures that express the precision of a measuring tool used to measure a value.
This historical event gave rise to the metric system
What is the French Revolution
204.00 has this many significant figures
What is five
Convert 45.5cm to m
0.455cm
A student's measurements would be this if they are close to the true value but do not have a tight grouping of measurements
What is accurate but not precise
Define the Metric System
A system in which values can be calculated in factors of 10.
This is the main difference between speed and velocity
What is velocity has direction
Our measurements become this when the number of our significant figures increases.
What is precision.
Convert 8.7kg to mg
8,700,000mg
The definition for uncertainty is this
What is the quantitative measure of how much you measured values deviate from a standard or expected value.
Define a Fundamental Unit
Units that can only be expressed relative to the procedure used to measure them
The order and name of all the planets closest to furthest from the sun
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
When adding or subtracting measurements with different amounts of sigfigs, the final answer can only have this many sigfigs after the decimal place.
What is as many decimal places as the measurement with the least amount of decimal places.
Convert 47km/h to m/min
780m/min
This is the formula for finding percentage uncertainty
what is %unc = Uncertainty(deltaA) / Average(A) * 100%
Define a Derived Unit
Units that can be calculated using algebraic combinations of fundamental units.
What are the 3 types of particles in an atom
50.5km times 2.5km
130km
Convert 99.0 miles/hr to m/s (1km=0.621miles)
44.3 m/s
What is the uncertainty for the measurements below.
1.54s
1.89s
1.73s
1.66s
1.59s
+-0.19s
Define Conversion Factors
A ratio expressing how many of one unit are equal to another unit
The name of Mr. Milton's cat
What is Luna