Science Ch 15 Test

Front 1

Matter can be classified as a pure substance or a mixture. What are the two types of substances- not examples?

Back 1

Elements and compounds

Front 2

What are the two types of mixtures?

Back 2

Homogeneous and heterogeneous

Front 3

What type of matter is represented by a one or two letter symbol?

Back 3

Element

Front 4

Units that make up all matter

Back 4

Atoms

Front 5

Substance with two or more elements combined in a fixed ratio

Back 5

Substance

Front 6

In a solution the substance that is dissolved in the ____

Back 6

Solute

Front 7

In a solution the dissolving substance is the ___

Back 7

Solvent

Front 8

A solution of metals is an __

Back 8

Alloy

Front 9

Type of heterogeneous mixture has a particles that settle out

Back 9

Suspension

Front 10

The ability of a mixture to scatter light

Back 10

Tyndall effect

Front 11

Includes colloids and suspensions

Back 11

Heterogeneous mixture

Front 12

Milk

Back 12

Heterogeneous mixture

Front 13

Apple

Back 13

Heterogeneous mixture

Front 14

Known as a solution

Back 14

Homogeneous mixture

Front 15

Contains only one phase

Back 15

Homogeneous mixture

Front 16

Has uniformed composition

Back 16

Homogeneous mixture

Front 17

Particles scatter light

Back 17

heterogeneous mixture

Front 18

NaCl

Back 18

Compound

Front 19

Salt water

Back 19

Homogeneous mixture

Front 20

Carbon

Back 20

Element

Front 21

Characteristic of a material which can be observed without changing the identity of the substance in the material

Back 21

Physical property

Front 22

Characteristics of a substance indicating that it can change into another substance

Back 22

Chemical property

Front 23

Chem or phy

Color

Back 23

Physical

Front 24

Chem or physical

Magnetism

Back 24

Physical

Front 25

Chemical or physical

Viscosity

Back 25

Physical

Front 26

Chemical or physical

Boiling point

Back 26

Physical

Front 27

Chemical or physical

Reacts with acid to form water

Back 27

Chemical

Front 28

Chemical or physical

Luster

Back 28

Physical

Front 29

Chemical or physical

Ductility

Back 29

Physical

Front 30

Chemical or physical

Solubility

Back 30

Physical

Front 31

Chemical or physical

Density

Back 31

Physical

Front 32

Chemical or physical

Reacts with base to form water

Back 32

Chemical

Front 33

Chemical or physical

Combustible

Back 33

Chemical

Front 34

Chemical or physical

Can neutralize an acid

Back 34

Chemical

Front 35

Chemical or physical

Decomposes upon standing

Back 35

Chemical

Front 36

Chemical or physical

Distilling water

Back 36

Physical

Front 37

Chemical or physical

Stretching a rubber band

Back 37

Physical

Front 38

Chemical or physical

Freezing a liquid into a solid

Back 38

Physical

Front 39

Chemical or physical

Milk sours

Back 39

Chemical

Front 40

Chemical or physical

Wood burns in a furnance

Back 40

Chemical

Front 41

Chemical or physical

Sugar dissolves in water

Back 41

Physical

Front 42

Chemical or physical

Copper stretched into wire

Back 42

Physical

Front 43

Chemical or physical

Food coloring turns a liquid blue

Back 43

Physical

Front 44

Chemical or physical

Zinc reacts with HCL to produce hydrogen gas

Back 44

Chemical

Front 45

Chemical or physical

Substance causes bubbles to form in a test tube

Back 45

Chemical

Front 46

Wood

Back 46

Heterogeneous

Front 47

Dirt

Back 47

Heterogeneous

Front 48

Sausage and mushroom pizza

Back 48

Heterogeneous

Front 49

Air

Back 49

Heterogeneous

Front 50

Milk

Back 50

Heterogeneous

Front 51

Gold

Back 51

Element

Front 52

Freshly brewed black coffee

Back 52

Homogeneous

Front 53

Water

Back 53

Compound

Front 54

Lucky charms

Back 54

Heterogeneous

Front 55

Salt

Back 55

Compound

Front 56

Gold

Back 56

Element

Front 57

Air

Back 57

Element

Front 58

Carbon dioxide

Back 58

Compound

Front 59

Water

Back 59

Compound

Front 60

Seawater

Back 60

Mixture

Front 61

Sugar

Back 61

Compound

Front 62

Chocolate Sunday

Back 62

Mixture

Front 63

Silver

Back 63

Element

Front 64

Ice

Back 64

Compound

Front 65

Big Mac

Back 65

Mixture

Front 66

Color

Back 66

Physical

Front 67

Density

Back 67

Physical

Front 68

Burn easily

Back 68

Chemical

Front 69

Not affected by acid

Back 69

Chemical

Front 70

Boils at 450

Back 70

Physical

Front 71

Reacts violently with chlorine

Back 71

Chemical

Front 72

Good conductor of heat

Back 72

Physical

Front 73

Dissolves readily in water

Back 73

Physical

Front 74

Melts at 145

Back 74

Physical

Front 75

Malleable

Back 75

Physical

Front 76

Grinding chalk into powder

Back 76

Physical

Front 77

Dissolving salt in water

Back 77

Physical

Front 78

Dissolving zinc in acid

Back 78

Chemical

Front 79

Tearing a piece of paper

Back 79

Physical

Front 80

Stretching copper into wire

Back 80

Physical

Front 81

Burning gasoline

Back 81

Chemical

Front 82

Hammering gold into foil

Back 82

Physical

Front 83

Melting ice

Back 83

Physical

Front 84

Digesting food

Back 84

Chemical

Front 85

Making hydrogen from water

Back 85

Chemical

Front 86

Color

Back 86

Intensive

Front 87

Volume

Back 87

Extensive

Front 88

Length

Back 88

Extensive

Front 89

Mass

Back 89

Extensive

Front 90

Density

Back 90

Intensive

Front 91

Melting point

Back 91

Intensive

Front 92

A mixture ( is/ is not) a chemical combining of a substance

Back 92

Is not

Front 93

In a compound the (atoms/ molecules) are ( chemical/physical) combined so that the elements that make up the compound (retain/lose) their identities and (do/do not) take in a new set of properties.

Back 93

Atoms chemically lose do

Front 94

The smallest identifiable unit of a compound is a _____ which is made up of ______ which are chemically bonded

Back 94

Molecules atoms

Front 95

T or F a mixture is always made up of a combination of elements

Back 95

False

Front 96

In a mixture the substances (lose/retain) their identities

Back 96

Retain