Chemistry Vocabulary

Question 1

Anything that has mass and takes up space

Answer 1

Matter

Question 2

A measurement that reflects the amount of matter

Answer 2

Mass

Question 3

A measure of the amount of matter and the Earth’s gravitational pull on it

Answer 3

Weight

Question 4

Any substance that has a definite composition; they also make up matter

Answer 4

Chemical

Question 5

Organized process used by scientists to do research

Answer 5

Scientific Method

Question 6

Act of gathering information, existing knowledge, either qualitative or quantitative

Answer 6

Observation

Question 7

Information/ Data that describes color, odor, shape, or some physical characteristic

Answer 7

Qualitative Data

Question 8

Data that is numerical information

Answer 8

Quantitative Data

Question 9

An educated guess or a guess for what has been observed

Answer 9

Hypothesis

Question 10

A set of controlled observations that test the hypothesis

Answer 10

Experiment

Question 11

A quantity or condition that can have more than one value; it has two types

Answer 11

Variable

Question 12

A variables that is changes but can be controlled

Answer 12

Independent Variable

Question 13

A variable whose value changes in response to a change in the independent variable

Answer 13

Dependent Variable

Question 14

A factor that is not allowed to change during an experiment

Answer 14

Constant

Question 15

A standard for comparison

Answer 15

Control

Question 16

A judgement based on information obtained during an experiment

Answer 16

Conclusion

Question 17

A visual, verbal/ or mathematical explanation of experimental data

Answer 17

Model

Question 18

When a hypothesis is supported by many, many experiments

Answer 18

Theory

Question 19

A summary of accepted facts of nature

Answer 19

Scientific law

Question 20

Seeks to gain knowledge for the sake of knowledge itself

Answer 20

Pure research

Question 21

Undertaken to solve a specific problem

Answer 21

Applied Research

Question 22

The practical use of scientific information concerned with making improvements in human life and the world around us

Answer 22

Technology

Question 23

Something known to happen without error but doesn’t explain how it happens

Answer 23

Scientific Law

Question 24

Steps of Scientific Method

Answer 24

Observation, Hypothesis, Experiment, Analysis, and Conclusion

Question 25

SI Base Unit for Time

Answer 25

Seconds

Question 26

SI Base Unit for length

Answer 26

Meter

Question 27

SI base unit for mass

Answer 27

Kilogram

Question 28

Space occupied by an object

Answer 28

Volume

Question 29

Metric unit for volume

Answer 29

Liter

Question 30

Expresses numbers a a multiple of two factors; a number between 1 & 10 and ten raised to a power or exponent

Answer 30

Scientific Notation

Question 31

A ratio of equivalent values used to express the same quantity in different units

Answer 31

Conversion Factor

Question 32

A method of problem solving that focuses on the units used to describe matter

Answer 32

Dimensional Analysis

Question 33

Include all known digits plus one estimated digit

Answer 33

Significant Figures

Question 34

A visual display of data

Answer 34

Graph

Question 35

Chart used for showing percentages

Answer 35

Circle Graph/ Pie Chart

Question 36

Graph that can be used to show how quantities vary with factors like time, location, or temperature

Answer 36

Bar Graph

Question 37

Vertical axis; quantity being measured is shown here

Answer 37

Y-axis

Question 38

Horizontal axis; the independent variable is shown here

Answer 38

X-axis

Question 39

IV on x-axis and DV on y-axis

Answer 39

Line Graph

Question 40

Line drawn on the line graph so that as many points fall above the line fall below it

Answer 40

Best Fit Line

Question 41

Length

Answer 41

l, h, r

Question 42

Mass

Answer 42

M

Question 43

Time

Answer 43

t

Question 44

Electric Current

Answer 44

I, i

Question 45

Temperature

Answer 45

T

Question 46

Amount of substance

Answer 46

n

Question 47

Luminous intensity

Answer 47

Iv

Question 48

Meter

Answer 48

m

Question 49

Kilogram

Answer 49

Kg

Question 50

Second

Answer 50

s

Question 51

Ampere

Answer 51

A

Question 52

Kelvin

Answer 52

K

Question 53

Mole

Answer 53

mol

Question 54

Candela

Answer 54

cd

Question 55

Study of matter and the changes it undergoes

Answer 55

Chemistry