Chapter 3 - The Tools of Science

Question 1

尺寸

Answer 1

Measurement

Question 2

A system of measurement based on the number 10.

Answer 2

metric system

Question 3

公制

Answer 3

metric system

Question 4

The international System of Units, a set of metric measurements that are used by scientists.

Answer 4

SI

Question 5

國際單位制

Answer 5

SI

Question 6

A measure of how much matter is in an object.

Answer 6

mass

Question 7

質量

Answer 7

mass

Question 8

A measure of the force of gravity acting on an object.

Answer 8

weight

Question 9

重量

Answer 9

weight

Question 10

The amount of space that matter occupies.

Answer 10

volume

Question 11

容量

Answer 11

volume

Question 12

The curved upper surface of a liquid in a column of liquid.

Answer 12

meniscus

Question 13

半月板

Answer 13

meniscus

Question 14

The measurement of how much mass of a substance is contained in a given volume.

Answer 14

density

Question 15

密度

Answer 15

density

Question 16

An approximation of a number based on reasonable assumptions.

Answer 16

estimate

Question 17

估計

Answer 17

estimate

Question 18

How close a measurement is to the true or accepted value.

Answer 18

accuracy

Question 19

準確性

Answer 19

accuracy

Question 20

How close a group of measurements are to each other.

Answer 20

precision

Question 21

精確

Answer 21

precision

Question 22

All the digits in a measurement that have been measured exactly, plus one that has been estimated.

Answer 22

significant figures

Question 23

顯著數字

Answer 23

significant figures

Question 24

A calculation used to determine how accurate, or close to the true value,an experimental value really is.

Answer 24

percent error

Question 25

百分比誤差

Answer 25

percent error

Question 26

The numerical average of a set of data.

Answer 26

mean

Question 27

平均

Answer 27

mean

Question 28

The middle number in an ordered set of data.

Answer 28

median

Question 29

中位數

Answer 29

median

Question 30

The number that appears most often in a list of numbers.

Answer 30

mode

Question 31

The difference between the greatest value and the least value in a set of data.

Answer 31

range

Question 32

範圍

Answer 32

range

Question 33

Data that do not fit with the rest of a data set.

Answer 33

anomalous data

Question 34

異常數據

Answer 34

anomalous data

Question 35

A picture of information from a data table; shows the relationship between variables.

Answer 35

graph

Question 36

圖形

Answer 36

graph

Question 37

A line graph in which the data points yield a straight line.

Answer 37

linear graph

Question 38

線性圖

Answer 38

linear graph

Question 39

A line graph in which the data points do not fall along a straight line.

Answer 39

nonlinear graph

Question 40

非線性圖

Answer 40

nonlinear graph

Question 41

A representation of a complex object or process, used to help people understand a concept that they cannot observe directly.

Answer 41

model

Question 42

模型

Answer 42

model

Question 43

A group of related parts that work together to perform a function or produce a result.

Answer 43

system

Question 44

系統

Answer 44

system

Question 45

Material, energy, or information that goes into a system.

Answer 45

input

Question 46

A sequence of actions in a system.

Answer 46

process

Question 47

過程

Answer 47

process

Question 48

Material, energy, result, or product that comes out of a system.

Answer 48

output

Question 49

產量

Answer 49

Output

Question 50

Output that changes a system or allows the system to adjust itself.

Answer 50

feedback

Question 51

反饋

Answer 51

feedback

Question 52

A sign used to alert you to possible sources of accidents in a laboratory.

Answer 52

safety symbol

Question 53

安全標誌

Answer 53

safety symbol

Question 54

Any area outside the laboratory.

Answer 54

the field

Question 55

在外

Answer 55

the field

Question 56

投入

Answer 56

Input

Question 56

3m X 2.379m = how many significant figures & what answer?

Answer 56

1 figure, 7m^2

Question 56

3.0m X 1.999999m = How many significant figures and what answer?

Answer 56

2 sigfigs: 6.0 m^2