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