Physical + Chemical Properties

Question 1

What is physical properties? (1)

Answer 1

Properties we can observe

Question 2

Explain the the two types of physical properties(3)

Answer 2

Intensive:

• properties stay unchanged regardless of the amount
• amount doesn’t effect it

Extensive
-changes with amount

Question 3

Give examples of both the types of physical properties (11)

Answer 3

Intensive

• color
• conductivity
• ductility
• density
• texture
• boiling point
• melting point

Extensive

• mass
• volume
• length

Question 4

What is physical change(4)

Answer 4

-change in appearance without changing the composition
-e.g. the phases of matter
• solid > liquid (melting)
•liquid > gas (evaporating)

Question 5

What is chemical properties (3)

Answer 5

-ability/inability to change composition
•papier > ash
• changed composition (not same)

Question 6

What is chemical change(6)

Answer 6

• 1/+ type of matter that change into a new type
  -where composition is different than the original matter
  •backing pancakes
  •irriversable
• the result of 2 substances/ external factors reaction to heat
  -called a chemical reaction