Unit 1

Question 1

Chemistry

Answer 1

A branch of science that studies the composition and properties of matter and the changes it undergoes.

Question 2

Organic

Answer 2

The study of carbon-containing compounds.

Question 3

Inorganic

Answer 3

Studies everything except carbon.

Question 4

Biochemistry

Answer 4

Chemistry of living things.

Question 5

Physical

Answer 5

Measuring physical properties of substances.

Question 6

Analytical

Answer 6

Determining the amounts of material in samples.

Question 7

Environmental

Answer 7

Combining all fields and apply environmental issues.

Question 8

Sig Figs

Answer 8

Critical when reporting scientific data because thru give the reader an idea of how well you could s tally measure/report your data.

Question 9

Mass

Answer 9

A measurement of the amount of matter something contains.

Question 10

Weight

Answer 10

The measurement of the pull of gravity on an object.

Question 11

Density

Answer 11

The measure of a mass per a unit volume.

Question 12

Accuracy

Answer 12

Closeness of measurements to the actual value.

Question 13

Precision

Answer 13

Ability of the measurement to be repeated consistently.

Question 14

Bar Graph

Answer 14

Shows how many of something are in each category.

Question 15

Pie Graph

Answer 15

Shows how a whole is broken into parts.

Question 16

Line Graph

Answer 16

Shows continuous change .

Question 17

Scientific Method

Answer 17

Is a process containing the fundamental elements of science.

Question 18

Observing

Answer 18

The use of the senses and equipment to obtain information, usually by making measurements and collecting data.

Question 19

Hypothesis

Answer 19

A possible explanation for an observation, and is testable.

Question 20

Control

Answer 20

Whatever is unchanging.

Question 21

Variable

Answer 21

Whatever is changing.

Question 22

MSDS

Answer 22

Material Safety Data Sheet; a legal document containing information on the potential effects on your health form exposure to chemicals.

Question 23

Neutralization

Answer 23

A chemical reaction in which an acid and base react to form a salt and water(in most cases).

Question 24

Dilution

Answer 24

Reduces the concentration of a chemical.