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Flashcards in Chapter 2 Deck (34):
0

Defined unit in a system of measurement that is based on an object or an event in the physical world

Base unit

1

10 to the ninth

Giga

2

Ten to the sixth

Mega

3

Ten to the third

Kilo

4

10 to the negative first

Deci

5

10 to the negative 2nd

Centi

6

10 to the negative 3rd

Milli

7

10 to the -6

Micro

8

10 to the negative ninth

Nano

9

10 to the -12

Pico

10

What is the base unit for mass

Kilogram

11

Base unit of temperature

Kelvin

12

Unit that is defined by a combination of base units

Derived unit

13

How heavy something is for its size

Density

14

average kinetic energy of the particles in the system

Temperature

15

How to find density

D=m/v

16

How to find value

V=m/d

17

Can be used to express any number as a number between one and 10 multiplied by 10 raised to a power

Scientific notation

18

Systematic approach to problem-solving that uses conversion factors to move or convert from one unit to another

Dimensional analysis

19

Ratio of equivalent values having different units

Conversion factor

20

How close a measured value is to an excepted value

Accuracy

21

How close a series of measurements are to one another

Precision

22

Difference between an experimental value and an excepted

Error

23

Proportional error

Percent error

24

What are the five rules of significant figures

1)None zero numbers are always significant
2) zeros between 90 numbers are always significant
3) all final zeros to the right of the decimal are significant
4) placeholder zeros are not significant
5)counting numbers and defined constants have an infinite number of sig Figs

25

Visual display of data

Graph

26

Show change

Line graphs

27

Show comparison

Bar graphs

28

Parts of a whole

Pie graphs

29

When adding and subtracting sig figs...

Use the Least # of decimal points

30

When multiplying and dividing sig figs....

Use the least number of total sig figs

31

Equation to convert Celsius to Fahrenheit

F=1.8C + 32

32

Equation to turn Fahrenheit into Celsius

C=F-32/1.8

33

Equation to convert Celsius into kelvin

k=C+273