What a Mess Test

Question 1

Pure Substance

Answer 1

Matter that ALWAYS has exactly the same composition

Question 2

Pure Substance Examples

Answer 2

*Gold
*Water
*Oxygen
*Table Salt
*Carbon

Question 3

Element

Answer 3

A substance made up of only ONE kind of atom

Question 4

Mixture

Answer 4

Particles are mixed but not chemically combined; composition is NOT fixed; properties vary

Question 5

Heterogeneous Mixture

Answer 5

Made up of two or more substances NOT combined and you CAN see the different parts

Question 6

Water

Answer 6

A compound made of two types of substances chemically combined

Question 7

Mixture Examples

Answer 7

*Air
*Trail Mix
*Sandy Beach
*Mouthwash

Question 8

Malleability

Answer 8

Ability of a solid to be hammered without shattering

Question 9

Malleable at Room Temperature

Answer 9

Gold

Question 10

Viscosity

Answer 10

Tendency of a liquid to keep from flowing

Question 11

High Viscosity Examples

Answer 11

*Pancake Syrup
*Corn Syrup

Question 12

Water

Answer 12

Melting point 0°C
Boiling point 100°C

Question 13

Metal

Answer 13

A substance that is malleable and conducts electricity

Question 14

Filtration

Answer 14

Separates solid particles based on size from a liquid or gas by passing through a filter

Question 15

Evaporation

Answer 15

Used to separate a substance that dissolves completely in water

Question 16

Physical Change

Answer 16

Change that occurs without changing the identity of the substance

Question 17

Chemical Change

Answer 17

New substance created with different properties

Question 18

Signs of Chemical Change

Answer 18

*Gas forms
*Temperature change
*Solid formed
*Color change
*Smell produced
*Disappears

Question 19

Signs of Physical Change

Answer 19

*Change in shape
*Phase changes

Question 20

Flammability

Answer 20

A material’s ability to burn in the presence of oxygen

Question 21

Chemical Change Example

Answer 21

Iron and oxygen forming rust

Question 22

Physical Change Example

Answer 22

Boiling water changing into water vapor

Question 23

Solution

Answer 23

When substances dissolve and form a homogeneous mixture (light can pass through)

Question 24

Solution Examples

Answer 24

*Mouthwash
*Vinegar
*Salt Water

Question 25

Parts of a Formal Manual

Answer 25

*Title
*Names
*Listed Equipment
*Step by Step Procedures

Question 26

Chlorine

Answer 26

Cl

Question 27

Iron

Answer 27

Fe

Question 28

Magnesium

Answer 28

Mg

Question 29

Gold

Answer 29

Au

Question 30

Oxygen

Answer 30

O

Question 31

Sodium

Answer 31

Na

Question 32

Nickel

Answer 32

Ni

Question 33

Copper

Answer 33

Cu

Question 34

Density Formula

Answer 34

Density = Mass / Volume

D = M / V

Question 35

Volume

Answer 35

Length x Width x Height

Question 36

Suspension

Answer 36

Heterogeneous mixture that separates into layers over time; particles DON’T dissolve

Question 37

Suspension Examples

Answer 37

*Muddy Water
*Chocolate Milk
*Orange Juice