Scientific Measurement TEST Flashcards

1
Q

What is the term for a number that is written as the product of 2 numbers, a coefficient and a power of ten?

A

Scientific Notation

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2
Q

What is the term for a quantity that has both a number and a unit?

A

Measurement

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3
Q

What is the term for the correct value based on reliable references?

A

Accepted Value

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4
Q

What is the term for what an item is measured in?

A

Unit

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5
Q

What is the term for a measurement of how close a series of measurements are to one another?

A

Precision

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6
Q

What is the term for the SI unit of volume?

A

Liter

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7
Q

What is the term in a measurement include all the digits that are known precisely plus one has digit that is estimated?

A

Significant Figures

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8
Q

What is the term for the value measure in the lab?

A

Experimental value

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9
Q

What is the term for the SI unit of mass?

A

Gram

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10
Q

What is the term for a measure of how close a measurement is to the actual true value of what is measured?

A

Accuracy

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11
Q

What is the term for the SI basic unit of length or linear measure?

A

Meter

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12
Q

What is the term for the measure of how hot or cold and object is?

A

Temperature

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13
Q

What is the term for the ratio of the mass of an object to its volume?

A

Density

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14
Q

What is the term for the absolute value of the error divided by the accepted value and then multiplied by 100%?

A

Percent error

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15
Q

Be able to change a number to scientific notation.
Ex: 850

A

850 = 8.5 x 10(2)

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16
Q

Be able to change from a scientific notation to a number.
Example: 3.1 x 10(3)

A

3,100

17
Q

Be able to add and subtract problems in scientific notation

A

See Mrs. Krumpelman for help

18
Q

Be able to multiply and divide problems in scientific notation

A

See Mrs. Krumpelman for help

19
Q

Be able to identify bull’s eyes as accurate, precise for neither

A

See Mrs. Krumpelman for help

20
Q

Be able to tell the correct number of significant figures in a number
Ex:
200.3
900,000
0.003
45

A

200.3 - - 4
900,000 - - 1
0.003 - - 1
45 - - 2

21
Q

Be able to convert metric levels
Ex:
8.1 hg = ________g
900 mL = ____dL

A

8.1 hg = ___810__g
900 mL = ___9___dL

22
Q

Be able to calculate the density, mass or volume of a mass

A

See Mrs. Krumpelman for help

23
Q

Be able to calculate the percent error

A

See Mrs. Krumpelman for help