Chapter One Flash Cards

Question 1

Matter

Answer 1

Anything that occupies space and has mass

Question 2

Three States of Matter

Answer 2

Solid, liquid, gas

Question 3

A solid has a ___ volume and ____ shape

Answer 3

definite volume and shape

Question 4

A liquid has a ____ volume and a(n) ____ shape

Answer 4

definite volume, indefinite shape

Question 5

A gas assume the ____ and _____ of their containers

Answer 5

shape and volume

Question 6

Liquids assume the shape of their ____

Answer 6

container

Question 7

Pure Substance

Answer 7

Constant composition (ie copper and nitrogen gas)

Question 8

Mixture

Answer 8

Have 2+ types of matter that can be separated (ie sea water + air)

Question 9

Element

Answer 9

Pure substance that cannot be broken down any further by chemical changes

Question 10

Compound

Answer 10

Pure substance that can be broken down by further chemical changes

Question 11

Homogenous Mixture

Answer 11

A mixture with uniform composition (ie air, gatorade)

Question 12

Heterogenous Mixture

Answer 12

A mixture without uniform composition (ie trail mix, pasta in boiling water)

Question 13

Physical Property

Answer 13

Characteristic of matter not associated with changes in chemical composition (ie. conductivity, boiling point)

Question 14

Chemical Property

Answer 14

When matter can change from one form to another (ie. flammability, reactivity)

Question 15

Physical Change

Answer 15

Change in the state of the properties of matter (boiling water, salt dissolving, cutting paper)

Question 16

Chemical Change

Answer 16

Change that makes a new kind of matter (ie iron rusting, fruit molding)

Question 17

Unit

Answer 17

Standard for comparison

Question 18

The two most common unit systems are

Answer 18

Imperial and metric systems

Question 19

The unit system used by scientists that’s based on the metric system

Answer 19

International system of units

Question 20

SI base units

Answer 20

• Length
• Mass
• Time
• Temperature
• Amount of substance

Question 21

Length

Answer 21

Meter (M)

Question 22

Mass

Answer 22

kilogram (kg)

Question 23

Time

Answer 23

Second (s)

Question 24

Temperature

Answer 24

Kelvin (K)

Question 25

Amount of substance

Answer 25

mole (mol)

Question 26

giga (G)

Answer 26

10x10ˆ9

Question 27

mega (M)

Answer 27

10x10ˆ6

Question 28

Kilo (k)

Answer 28

1x10ˆ3

Question 29

Deci (d)

Answer 29

1x10ˆ-1

Question 30

centi (c)

Answer 30

1x10ˆ-2

Question 31

milli (m)

Answer 31

1x10ˆ-3

Question 32

micro (μ)

Answer 32

1x10ˆ-6

Question 33

nano (n)

Answer 33

1x10ˆ-9

Question 34

Volume

Answer 34

A measure of space occupied by something

Question 35

Volume of a cylinder

Answer 35

πrˆ2h

Question 36

Volume of a cylinder

Answer 36

lˆ3

Question 37

Volume of a sphere

Answer 37

4/3πrˆ3

Question 38

Volume of a rectangular prism

Answer 38

lwh

Question 39

Density

Answer 39

The ratio of mass to volume

Question 40

Common units of density

Answer 40

g/cmˆ3 , g/L , g/mˆ3

Question 41

Exact number

Answer 41

A result of counting (ie 4 potatoes)

Question 42

Accuracy

Answer 42

How close a number is to the true measurement

Question 43

Precision

Answer 43

How close together your repeated measurements are

Question 44

Mass

Answer 44

measure of the amount of matter in an object

Question 45

Weight

Answer 45

The force of gravity exerted on an object

Question 46

Atom

Answer 46

The smallest particle of an element that has the properties of that element

Question 47

Molecule

Answer 47

2 or more atoms connected by a chemical bond

Question 48

Diatonic Elements

Answer 48

H2, O2, N2, Cl2, Br2, I2, F2

Question 49

Extensive Property

Answer 49

Depends on amount of material

Question 50

Examples of extensive properties

Answer 50

Mass, Volume, Heat

Question 51

Intensive Properties

Answer 51

Depends on the type of material

Question 52

Examples of intensive properties

Answer 52

density, temperature, color, humidity

Question 53

Three parts of a measurement

Answer 53

Number, Unit, Uncertainty

Question 54

Number

Answer 54

Size or magnitude of a measurement

Question 55

Unit

Answer 55

A standard of comparison for the measurement

Question 56

Uncertainty

Answer 56

An indication of the uncertainty of the measurement

Question 57

Fahrenheit to Celsius

Answer 57

TF= 9/5Tc + 32

Question 58

Kelvin to Celsius

Answer 58

Tk = Tc +273.15