Vocabulary
Scientific Notation
Measurement
Uncertainty
Sig Figs
100
The amount of three-dimensional pace occupied by a substance
Volume
100
Write 4,100 in scientific notation.
4.1 x 10^3
100
What is the most common unit of volume?
milliliter
100
Why is there always uncertainty in measurements?
Because the only certain measurements come from the limits of the measuring device.
100
How many sig figs are in the number 480?
2
200
Expresses a number as a product of a number between 1 and 10 and the appropriate power of 10.
Scientific Notation
200
Will the exponent in the following number be positive or negative? 0.009834
Negative
200
What tool is used to measure volume?
Graduated Cylinder
200
Which place value was estimated in the following example: 3.14 3.13 3.15 3.13 3.16
Hundredths
200
When do zeroes get counted when calculating sig figs?
when they are captive or when a decimal is present
300
A quantitative observation
Measurement
300
How many digits should be represented in front of a decimal point when writing in scientific notation?
One
300
What would you use to measure the mass of an object?
Triple Beam Balance
300
On a ruler than measures to the 1/8th of an inch, what is the degree of certainty?
The 1/8th of an inch
300
How many significant figures in 0.0050060?
5
400
Based on the metric system, this is the preferred system for recording scientific data.
International System
400
How do you determine the exponent to use?
Count the number of decimal places that was moved.
400
What is the symbol for "mega"?
M
400
T/F....measurements exist where there is no uncertainty?
False
400
What NEVER count as sig figs?
leading and trailing zeroes
500
What are the 2 most widely used systems of measurement?
English and metric
500
Why do scientists use scientific notation?
It makes very large and very small numbers manageable.
500
"A dime is 1mm thick." This is an example of what type of measurement?
Length
500
How can two people get a different measurement for the same item?
Anything past the certainly of the measuring device is an estimate.
500
How do you count sig figs when a number is written in scientific notation?
only worry about the numbers in front of the operation sign.
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