Chapter 1 - Essential Ideas

Question 1

Celsius to fahrenheit conversion

Answer 1

F = 1.8C + 32

Question 2

Fahrenheit water freezing point

Answer 2

32

Question 3

independent of amount of matter present

Answer 3

Intensive property

Question 4

prefix: 10 to the -3

Answer 4

milli (m)

Question 5

how closely your values match the known values (how good equipment is)

Answer 5

accuracy

Question 6

property depends on amount of matter

Answer 6

extensive property

Question 7

summary of a vast number of observations; attempt to explain a facet of the natural world

Answer 7

law

Question 8

SI unit for amount of substance

Answer 8

mole (mol)

Question 9

SI unit of mass

Answer 9

gram (g)

Question 10

how closely the numbers of measured values match each other (how good you are)

Answer 10

precision

Question 11

Celsius water boiling point

Answer 11

100

Question 12

test, calculation, comparison, etc.

Answer 12

experiment

Question 13

Celsius to kelvin conversion

Answer 13

Kelvin = Add 273(.15) to celsius

Question 14

SI unit of temperature

Answer 14

kelvin (K)

Question 15

path of discovery that leads from questions and observation to law or hypothesis to theory along with experimentation to verify

Answer 15

scientific method

Question 16

prefix: 10 to the -1

Answer 16

deci (d)

Question 17

exact chemical composition; has only one identity

Answer 17

pure substance

Question 18

SI unit of length

Answer 18

meter (m)

Question 19

Fahrenheit water boiling point

Answer 19

212

Question 20

when your measurements are all above or all below the known standard

Answer 20

Systematic error

Question 21

the study of compositions, properties, etc.

Answer 21

chemistry

Question 22

a pure substance that consists of only one type of atom

Answer 22

element

Question 23

Fahrenheit to celsius conversion

Answer 23

C = (F-32) / 1.8

Question 24

when some measurements are above the known standard, and some are below

Answer 24

Random error

Question 25

characteristics that distinguish matter from each other

Answer 25

properties

Question 26

summary of hypothesis; well-substantiated, comprehensive, testable explanations; can be modified as more information becomes available

Answer 26

theory

Question 27

can be broken down further into elements; pure substance with more than one type of atom

Answer 27

compound

Question 28

prefix: 10 to the -6

Answer 28

micro (u)

Question 29

consists of 2 or more diff. types of matter that can be present in various amounts and can be separated in some way

Answer 29

Mixtures

Question 30

Kelvin water freezing point

Answer 30

273

Question 31

SI unit of time

Answer 31

second (s)

Question 32

characteristics that can be observed without changing the identity of the object

Answer 32

physical properties

Question 33

prefix: 10 to the -9

Answer 33

nano (n)

Question 34

varies from point to point, not uniform throughout; can sometimes visually see the individual components

Answer 34

Heterogenous mixture

Question 35

a new unit defined by using one or more of the common base units

Answer 35

Derived units

Question 36

SI unit of electric current

Answer 36

ampere (A)

Question 37

prefix: 10 to the 3

Answer 37

kilo (k)

Question 38

prefix: 10 to the -2

Answer 38

centi (c)

Question 39

mixture that is uniform throughout

Answer 39

Homogenous mixture

Question 40

characteristics observed by changing identity of an object

Answer 40

chemical properties

Question 41

Kelvin water boiling point

Answer 41

373

Question 42

Celsius water freezing point

Answer 42

0

Question 43

SI unit for luminous intensity

Answer 43

candela (cd)

Question 44

a tentative explanation

Answer 44

hypothesis