Ch.1 Vocab

Question 1

a sytem of knowledge and the methods you use to find that knowledge

Answer 1

science

Question 2

is the use of knowledge to solve problems

Answer 2

technology

Question 3

is the study of matter and energy and the reactions of matter

Answer 3

physics

Question 4

is the study of the composition, structure, properties, and reactions of matter

Answer 4

chemistry

Question 5

the study of the universe beyond Earth, including the sun, moon, planets, and stars

Answer 5

astronomy

Question 6

the study of the origin, history, and structure of Earth

Answer 6

Geology

Question 7

the study of the origin and behavior of living things

Answer 7

biology

Question 8

is a way of expressing a value as the product of a number between 1 and 10 and a power of 10

Answer 8

scientific notation

Question 9

straight line distance between two points

Answer 9

length

Question 10

is the amount of space taken up by an object

Answer 10

volume

Question 11

the quantity of matter in an object or sample

Answer 11

mass

Question 12

is a ratio of equivalent measurements that is used to convert a quantity expressed in 1 unit or another

Answer 12

conversion factor

Question 13

is the reatio of an object’s mass to its volume

Answer 13

density

Question 14

a gauge of how exact a measurement is

Answer 14

precision

Question 15

all the digits that are known in a measurement, plus the last digit that is estimated

Answer 15

significant figures

Question 16

is the closeness of a measurement estimated to the actual value of what is being measured

Answer 16

accuracy

Question 17

an instrument that measures temperature, or how hot an object is

Answer 17

thermometer