Chapter 3

Question 1

What are the two parts of measured data?

Answer 1

Unit and demention

Question 2

What is a scale?

Answer 2

Dementional units lined up to create a means for measuring

Question 3

What is a calibrated scale?

Answer 3

Divided into measurement units

Question 4

What is a instrument?

Answer 4

any artificial device made for the pur- pose of refining, extending, or substituting for the human senses when measuring.

Question 5

What is the metric system also known as?

Answer 5

The S.I. Scale

Question 6

Where was the metric system created?

Answer 6

France

Question 7

What do Americans use?

Answer 7

The standard system

Question 8

What are the base units?

Answer 8

Kilo. Hecto. Deca. Base. Deci. Centi. Milli.

Question 9

What is the difference between accuracy and precision?

Answer 9

While accuracy indicates how close a measurement is to the actual value, precision indicates how repeatable a measure- ment is or how exactly one can make a measurement.

Question 10

How many base units are there?

Answer 10

Seven

Question 11

Length

Answer 11

Meter

Question 12

Mass

Answer 12

Kilogram

Question 13

Time

Answer 13

Second

Question 14

Tempature

Answer 14

Kelvin

Question 15

Particles

Answer 15

Mole

Question 16

Electricity

Answer 16

Ampere

Question 17

Light

Answer 17

Candela