1.7 & 1.8 Expressing Experimental Results, Unit Conversions

Question 1

A method of expressing numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10.

Answer 1

Scientific Notation

Question 2

Developed a temperature scale with a zero-point corresponding to the freezing point of a concentrated salt solution and an upper value (100°) corresponding to the average internal temperature of the human body

Answer 2

Daniel Gabriel Fahrenheit

Question 3

The measurement of the quantity of matter within an object.

Answer 3

Mass

Question 4

A compound that consists of a characteristic ratio of positive ions and negative ions.

Answer 4

Ionic Compound

Question 5

Temperature scale based on pure water’s freezing point (0°C) and the typical boiling point at sea level (100°C).

Answer 5

Anders Celsius

Question 6

When are significant figures rules to be used?

Answer 6

Only at the end of a calculation, never on intermediate results

Question 7

A set of base and derived units used worldwide to express distances, and quantities of matter and energy.

Answer 7

SI Units

Question 8

The temperature conversion of ºC to ºF.

Answer 8

(9/5)·ºC +32

Question 9

Measurement of Temperature

Answer 9

Kelvin

Question 10

Two terms that describe the certainty with which we know a measured quantity or a value calculated from a measured quantity.

Answer 10

Precision and Accuracy

Question 11

SI united is m/s

Answer 11

Speed

Question 12

The standard unit of length, equal to 39.37 inches

Answer 12

Meters

Question 13

This term indicates how repeatable a measurement is.

Answer 13

Precision

Question 14

1 inch is how many centimeters?

Answer 14

2.54cm

Question 15

Measurement of Electric Current

Answer 15

Ampere

Question 16

The temperature scale is not based on the physical properties of any substance, but rather on the notion that temperature has a lower limit called absolute zero (0 K).

Answer 16

William Thompson (Lord Kelvin)

Question 17

Boiling Point of Water in both temperature conversions

Answer 17

212ºF

100º C

Question 18

Measurement of Quality of a substance

Answer 18

Mole

Question 19

The measurement of space. Any unit of length, when cubed becomes a unit of this.

Answer 19

Volume

Question 20

A set of base and derived units used worldwide to express distances, and quantities of matter and energy.

Answer 20

SI Units

Question 21

Measurement of Mass

Answer 21

Kilogram

Question 22

A method of expresses the normal way of writing numbers where the number of digits counted becomes the exponent with a base of 10.

Answer 22

Standard Notation

Question 23

A chemical formula in which the subscripts represent the simplest whole-number ratio of the atoms or ions in a compound.

Answer 23

Empirical Formula

Question 24

The SI unit of energy, equivalent to 1kg · (m/s)²

Question 25

SI Unit is m³

Answer 25

Volume

Question 27

The SI Unit of energy equivalent to 1 kg • (m/s)²

Answer 27

Joule

Question 28

This term indicates how close the measured value is to the true value.

Answer 28

Accuracy

Question 29

Measurement of Length

Answer 29

Meter

Question 30

The fraction in which the numerator is equivalent to the denominator, but is expressed in different units, making the fraction equivalent to 1.

Answer 30

Conversion Factor