Unit 3/4

Question 0

Quantitative

Answer 0

Numerical information

Question 1

Qualitative

Answer 1

Non-numerical information

Question 2

Observation

Answer 2

Qualitative information collected through the direct use of our senses

Question 3

Interpretation

Answer 3

(Inference) an attempt to put meaning into an observation

Question 4

Description

Answer 4

A list of the properties of something

Question 5

Data

Answer 5

Quantitative information which is experimentally determined or obtained from references

Question 6

Experiment

Answer 6

A test or procedure that is carried out in order to discover a result

Question 7

Hypothesis

Answer 7

Single unproven assumption or idea that attempts to explain why nature behaves in a specific manner

Question 8

Theory

Answer 8

A set of hypotheses that ties together a large number of observations of the real world into a logically consistent and understandable pattern. Tested, refined and expanded explanation.

Question 9

Law

Answer 9

Broad generalization or summary statement which describes a large amount of experimental evidence stating how nature behaves when a particular situation occurs

Question 10

Matter

Answer 10

Anything that has mass and volume

Question 11

Substance

Answer 11

Something with a unique and identifiable set of properties

Question 12

Physical property

Answer 12

Property that can be found without creating a new substance

Question 13

Chemical property

Answer 13

Ability of a substance to undergo chemical reactions and change into new substances either by itself or with other substances

Question 14

Extensive properties

Answer 14

Physical property that depends on the amount of the substance present

Question 15

Intensive property

Answer 15

Physical property that depends solely on the nature of the substance, not on how much of the substance is present

Question 16

Three states of matter

Answer 16

Solid, liquid, and gas

Question 17

Hardness

Answer 17

The ability of a solid to resist abrasion or scratching

Question 18

Malleability

Answer 18

The ability to be rolled or hammered into thin sheets

Question 19

Ductility

Answer 19

The ability to be stretched or drawn into wires

Question 20

Lustre

Answer 20

The manner in which a solid reflects light

Question 21

Viscosity

Answer 21

The resistance of a fluid to flow

Question 22

Diffusion

Answer 22

The intermingling of fluids as a result of motion within the fluid

Question 23

Vapor

Answer 23

The gaseous material formed by the evaporation of a substance which boils above room temperature

Question 24

Vapor pressure

Answer 24

The pressure created by the vapor evaporating from a liquid

Question 25

System

Answer 25

Part of the universe being studied in a given situation.

Question 26

Phase

Answer 26

Any part of a system which is uniform in both it's composition and properties

Question 27

Element

Answer 27

A substance which cannot be separated into simpler substances as a rest of any chemical process

Question 28

Atom

Answer 28

The smallest possible unit of an element which retains the fundamental properties of the element

Question 29

Molecule

Answer 29

Cluster of two or more atoms held together strongly by electrical forces

Question 30

Ion

Answer 30

An atom or molecule which possesses an electrical charge

Question 31

Particle

Answer 31

General term used to describe a small bit of matter such as an atom, molecule, or ion

Question 32

Homogenous

Answer 32

A substance consisting of only one phase

Question 33

Heterogenous

Answer 33

A substance consisting of more than one phase

Question 34

Pure substance

Answer 34

A substance that is homogenous and has an unchangeable composition

Question 35

Mixture

Answer 35

A system made up for two or more substances, such that the relative amounts of each substance can be varied

Question 36

Mechanical mixture

Answer 36

Heterogenous mixture of two or more substances

Question 37

Solution

Answer 37

Homogenous mixture of two or more substances

Question 38

Solvent

Answer 38

The component in a solution in which exists in the greater quantity

Question 39

Aqueous solutions

Answer 39

Solutions in which the solvent is water

Question 40

Solute

Answer 40

Component in a solution which exists in the smaller quantity

Question 41

Compound

Answer 41

Pure substance made of two or more types of atoms (only one type of molecule is present in a compound)