Matter and Change

Question 1

Matter

Answer 1

Anything that takes up space

Question 2

Volume

Answer 2

Amount of space in an object in any 3-D object

Question 3

Substance

Answer 3

Particular type of matter

Question 4

Mixture

Answer 4

Material made of 2 or more different substances that are not chemically bonded, variable composition

Question 5

Physical Properties

Answer 5

Properties observed without changing the substance, ex. color

Question 6

Chemical Properties

Answer 6

Observed by changing the substance, ex. rusts

Question 7

Extensive Properties

Answer 7

Used to identify a substance, depends only on the amount of matter, ex. mass

Question 8

Intensive Properties

Answer 8

Depend on the type of matter, ex. odor

Question 9

Solids

Answer 9

Have matter that can’t flow and has a definite volume

Question 10

Liquids

Answer 10

Take the shape of their container, flow, and have a definite volume

Question 11

Gases

Answer 11

Have no volume, shape, or flow

Question 12

Vapor

Answer 12

Substance currently a gas, also a liquid and solid

Question 13

Chemical Change

Answer 13

Another name for a chemical reaction, a new form of matter is formed

Question 14

Heterogenous Mixture

Answer 14

Mixture is not the same place to place, ex. salad

Question 15

Homogenous Mixture

Answer 15

Mixture that is the same throughout, ex. tap water

Question 16

Filtration

Answer 16

Separating solids from liquids with a barrier

Question 17

Distillation

Answer 17

Separating substances because they have different boiling points

Question 18

Magnetism

Answer 18

Separating substances that have magnetic properties from those that don’t

Question 19

Separating with Density

Answer 19

Separating substances because they have different densities, ex. oil and water

Question 20

Chromatography

Answer 20

Separating substances because some are attracted to paper/gel and move at different speeds towards it

Question 21

Solution

Answer 21

Homogenous mixture, (mixed molecule by molecule) keeps the properties of its components, doesn’t create anything new

Question 22

Element

Answer 22

Substance that is the simplest kind of matter that can’t be broken down any further

Question 23

Compound

Answer 23

Substance that can be broken down by chemical methods, made of molecules, when it is broken down it’s components have completely different properties

Question 24

Chemical Reaction

Answer 24

When 1 or more substances are changing into new substances, has new properties

Question 25

Reactants

Answer 25

Substances put in to the chemical reaction

Question 26

Products

Answer 26

What comes out of the chemical reaction

Question 27

Law of Conservation of Mass

Answer 27

Mass can't be created or destroyed in ordinary changes, all mass is accounted for

Question 28

Energy

Answer 28

The ability to do work

Question 29

Work

Answer 29

Cause a change or move an object

Question 30

Potential Energy

Answer 30

Stored energy

Question 31

Kinetic Energy

Answer 31

Moving energy

Question 32

Heat Energy

Answer 32

Energy that moves because of a temperature difference

Question 33

Chemical Energy

Answer 33

Energy released/absorbed because of a chemical chnage

Question 34

Electrical Energy

Answer 34

Energy from moving charges

Question 35

Radiant Energy

Answer 35

Energy that travels through empty space

Question 36

Nuclear Energy

Answer 36

Energy from changing the nucleus of atoms

Question 37

Law of Conservation of Energy

Answer 37

Energy can't be created or destroyed, it can only change form

Question 38

Triple Point

Answer 38

Specific temperature and pressure where a substance is all 3 states of matter at once