PHYSICAL & CHEMICAL PROPERTIES OF MATTER

Question 1

Amount of mass in a given volume. D = m/v

Answer 1

Density

Question 1

Characteristics of a substance which can be observed without changing its composition

Answer 1

Physical Properties

Question 2

Ability to be drawn or pulled into a wire

Answer 2

Ductility

Question 3

Ability to be pounded into thin sheets

Answer 3

Malleability

Question 4

Ability to transfer thermal energy from one area to another

Answer 4

Thermal Conductivity

Question 5

Ability to conduct electricity, ability to allow electric charge to move through them easily

Answer 5

Electric Properties

Question 5

Ability to dissolve in another substance

Answer 5

Solubility

Question 6

Characteristics of matter that do not depend on the amount of substances present. Examples: odor, taste, density, melting/freezing point

Answer 6

Intensive Properties

Question 7

Ability to be attracted by magnets

Answer 7

Magnetic Properties

Question 8

Characteristics of matter that depends on the amount of substances present. Examples: mass, size, height

Answer 8

Extensive Properties

Question 9

Properties of matter that describe a substance based on its ability to change into a new substance with different properties. Are not as easy to observe as physical properties.

Answer 9

Chemical Properties

Question 10

Measure of how quickly a specific material is capable of catching fire and burning

Answer 10

Flammability

Question 11

Measure of how easily a substance bursts into flame, through fire or combustion

Answer 11

Combustibility

Question 12

How much a substance reacts when it is mixed with another substance

Answer 12

Reactivity

Question 13

2 Changes in matter

Answer 13

Physical and Chemical change

Question 14

Affects one or more physical properties of a substance. Do not form new substances and can often be undone.

Answer 14

Physical Change

Question 15

When one or more substances are changed into entirely new substances with different properties. Can not change back under normal conditions (some can be changed back by other chemical means)

Answer 15

Chemical Change

Question 16

5 Signs of Chemical Change

Answer 16

1. Odor Production
2. Change in Temperature
3. Change in Color
4. Formation of Bubbles
5. Formation of a Precipitate

Question 17

Energy is absorbed causing a decrease in temperature of the reactant material

Answer 17

Endothermic