Matter

Question 1

Chemistry

Answer 1

The study of matter

Question 2

Matter

Answer 2

Anything and everything with mass and volume

Question 3

Atom

Answer 3

smallest unit of matter, cannot be broken down

Question 4

Element

Answer 4

A type of atom, a pure substance that cannot be broken down

Question 5

Chemical bond

Answer 5

The link between 2 atoms holding them together

Question 6

Substance

Answer 6

something you cannot break into simpler parts using physical changes

Question 7

Molecule

Answer 7

a combination of 2 or more atoms

Question 8

Compound

Answer 8

2 or more elements chemically combined

Question 9

Mixture

Answer 9

Two or more substances physically combined in any amounts

Question 10

Heterogeneous Mixture

Answer 10

Two or more substances that aren’t evenly mixed, you can see different parts

Question 11

Homogeneous Mixture

Answer 11

Two or more substances that are evenly mixed, you cannot see different parts, a solution

Question 12

Solution

Answer 12

A homogeneous mixture

Question 13

Solute

Answer 13

Substance that gets dissolved

Question 14

Solvent

Answer 14

Substance that does the dissolving
*universal solvent is water

Question 15

Physical Properties

Answer 15

Any characteristic that can be observed using your 5 senses without changing the substance

Question 16

Chemical Properties

Answer 16

Any characteristic that describes how matter interacts with another substance

Question 17

Biological property

Answer 17

The characteristic of having all 9 features of living things

Question 18

Physical Change

Answer 18

Change to the physical properties of matter, substance is not changed into a new substance

Question 19

Chemical Change

Answer 19

Change to the chemical properties of matter, substance is changed into a new substance with new properties, cannot change back

Question 20

Law of Conservation of Matter/Mass

Answer 20

Matter cannot be created nor destroyed,
The number of atoms/mass of the reactants equals the number of atoms/mass of the products.

Question 21

Phase/State of matter

Answer 21

1. solid, liquid, and gas
2. Changed by changing temperature or pressure

Question 22

Solid

Answer 22

1. Definite shape & definite volume
2. Particles packed together and vibrate but have fixed positions
3. Lower energy

Question 23

Liquid

Answer 23

1. No definite shape but has definite volume
2. Particles spread apart
3. Medium energy

Question 24

Gas

Answer 24

1. No definite shape & no definite volume
2. Particles spread far apart
3. High energy

Question 25

Melting

Answer 25

1. matter changing from solid to liquid 2. ⬆ energy, ⬆ particle movement 3. melting point= temperature substance melts at

Question 26

Freezing/ Solidification

Answer 26

1. matter changing from liquid to solid 2. ⬇ energy, ⬇ particle movement 3. freezing point= temperature substance freezes at

Question 27

Vaporization/Evaporation

Answer 27

1. matter changing from liquid to gas 2. ⬆ energy, ⬆ particle movement 3. Boiling point= temperature substance turns to gas at

Question 28

Condensation

Answer 28

1. matter changing from gas to liquid 2. ⬇ energy, ⬇ particle movement

Question 29

Sublimation

Answer 29

1. matter changing from solid to gas 2. ⬆ energy, ⬆ particle movement

Question 30

Deposition

Answer 30

1. matter changing from gas to solid 2. ⬇ energy, ⬇ particle movement.