Properties Of Matter

Question 0

Smallest part of an element

Answer 0

Atom

Question 1

A substance that cannot be broken down into smaller substances

Answer 1

Element

Question 2

A substance made from 2 or more simpler substances and can’t be broken down into those substances

Answer 2

Compound

Question 3

A compound always contains what?

Answer 3

2 or more elements joined in a fixed proportion.

Question 4

Contain some of the properties of their individual substances but it does not have a fixed composition

Answer 4

Mixtures

Question 5

Parts of a mixture are noticeably different from one another.

Answer 5

Heterogenous mixture

Question 6

It is difficult to distinguish one substance in the mixture from one another
Looks the same

Answer 6

Homogenous mixture

Question 7

Mixtures are classified as what 3 things

Answer 7

Solutions
Suspensions
Colloids

Question 8

When substances dissolve and form a homogenous mixture

Answer 8

Solution

Question 9

A heterogenous mixture that separates into layers over time

Answer 9

Suspension

Question 10

Do not separate into layers and you cannot filter parts of it out

Answer 10

Colloid

Question 11

A characteristic of a material that can be observed or measured without changing the composition of the substances in the material

Answer 11

Physical property

Question 12

The tendency of a liquid to keep from flowing

Answer 12

Viscosity

Question 13

The greater the viscosity the _________?

Answer 13

Slower the liquid moves

Question 14

When does viscosity decrease

Answer 14

When a liquid is heated

Question 15

If it does not allow heat to flow it is a _____?

Answer 15

Insulator

Question 16

The ability of a solid to be hammared without shattering

Answer 16

Malleability

Question 17

Most ______ are malleable

Answer 17

Metals

Question 18

The amount of matter in a given volume

Answer 18

Density

Question 19

What can be used to test the purity of a substance

Answer 19

Density

Question 20

Some of the properties of the material change but the substances in the material remain the same

Answer 20

Physical change

Question 21

Any ability to produce a change in the composition of matter

Answer 21

Chemical property

Question 22

A materials ability to burn in the presence of oxygen

Answer 22

Flammability

Question 23

When a substance reacts and forms one or more new substances

Answer 23

Chemical change

Question 24

Common signs of a chemical change include:

Answer 24

Change in color
Change in gas
Formation of a precipitate

Question 25

A solid that forms and separates for. A liquid mixture

Answer 25

Precipitate

Question 26

Has a definite shape and volume

Answer 26

Solid

Question 27

Has a definite volume but not a definite shape

Answer 27

Liquid

Question 28

Not a definite volume or shape

Answer 28

Gas

Question 29

The energy an object has due to its motion

Answer 29

Kinetic energy

Question 30

The faster and object moves the greater________?

Answer 30

Its kinetic energy

Question 31

All particles of matter are in constant motion

Answer 31

Kinetic theory of matter

Question 32

Describe particles in a gas

Answer 32

They are in constant random motion

Question 33

Why is the volume of a liquid constant

Answer 33

Forces of attraction keep the particles close together

Question 34

Why do solids have a definite volume and shape

Answer 34

Particles in a solid vibrate around fixed locations

Question 35

What are atoms like in a liquid

Answer 35

Spread out

Question 36

What are atoms like in a gas

Answer 36

Atoms move in constant motion

Atoms are spread out

Question 37

A reversible physical change that occurs when a substance changed from one state of matter to another

Answer 37

Phase change

Question 38

What is sublimation

Answer 38

Solid to gas

Question 39

What is deposition

Answer 39

Gas to solid

Question 40

When a system absorbs energy from its surroundings

Answer 40

Endothermic change

Question 41

System releases energy to its surroundings

Answer 41

Exothermic change