Chapter 1

Question 1

Degree which measured value agrees with correct value for that measurement

Answer 1

Accuracy

Question 2

Estimated value based on prior experience and reasoning

Answer 2

Approximation

Question 3

Physics that was developed from the Renaissance to the end of 19th century

Answer 3

Classical Physics

Question 4

Ratio expressing how many of one unit are equal to another unit

Answer 4

Conversion factor

Question 5

Units that can be calculated using algebraic combinations of the fundamental units

Answer 5

Derived units

Question 6

System of measurement used in the United States; includes units of measurement such as feet, gallons, and pounds

Answer 6

English units

Question 7

Units that can only be expressed relative to the procedure used to measure them

Answer 7

Fundamental units

Question 8

SI unit for mass, abbreviation (kg)

Answer 8

Kilogram

Question 9

A description using concise language or a mathematical formula, generalized pattern in nature that is supported by scientific evidence and repeated experiment

Answer 9

Law

Question 10

SI unit for length, abbreviation (m)

Answer 10

Meter

Question 11

Percent uncertainty in a quantity calculated by multiplication or division is the sum of the percent uncertainties in the items used to make the calculation

Answer 11

Method of adding percents

Question 12

System which values can be calculated in factors of 10

Answer 12

Metric system

Question 13

Representation of something that is often too difficult to display directly

Answer 13

Model

Question 14

Study of relativity, quantum mechanics or both

Answer 14

Modern physics

Question 15

Refers to the size of a quantity as it relates to a power of 10

Answer 15

Order of magnitude

Question 16

Ratio of the uncertainty of a measurement to the measured value, expressed as a percentage

Answer 16

Percent uncertainty

Question 17

Characteristic or property of an object that can be measured or calculated from other measurements

Answer 17

Physical quantity

Question 18

Science concerned with describing the interactions of energy, matter, space, time; it is especially interested in what fundamental mechanisms underlie every phenomenon

Answer 18

Physics

Question 19

Degree to which repeated measurements agree with each other

Answer 19

Precision

Question 20

Study of objects smaller than can be seen with a microscope

Answer 20

Quantum mechanics

Question 21

Study of objects moving at speeds greater than about 1% of the speed of light, or of objects being affected by a strong gravitational field

Answer 21

Relativity

Question 22

SI unit for time, abbreviation (s)

Answer 22

Second

Question 23

Express the precision of a measuring tool used to measure a value

Answer 23

Significant figures

Question 24

Standard used for expressing and comparing measurements

Answer 24

Units

Question 25

International system of units that scientists in most countries have agreed to use; includes units such as meters, liters, and grams

Answer 25

SI units

Question 26

Quantitative measure of how much your measured values deviate from a standard or expected value

Answer 26

Uncertainty

Question 27

Explanation for patterns in nature that is supported by scientific evidence and verified multiple times by various groups of researchers

Answer 27

Theory

Question 28

Method that typically begins with an observation and questions that the scientist will research

Answer 28

Scientific method