Chemistry

Question 1

Physical Properties

Answer 1

Any characteristic that can be observed using

Question 2

Chemical Properties

Answer 2

Any characteristic that describes how matter interacts with another substance

Question 3

Biological property

Answer 3

The characteristic of having all 9 features of living things

Question 4

Physical Change

Answer 4

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

Question 5

Chemical Change

Answer 5

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

Question 6

Law of Conservation of Matter/Mass

Answer 6

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

Question 7

Phase/State of matter

Answer 7

solid, liquid, and gas or changed by changing temperature or pressure

Question 8

Solid

Answer 8

Definite shape & definite volume or particles packed together and vibrate but have fixed positions or lower energy

Question 9

Liquid

Answer 9

No definite shape but has definite volume or Particles spread apart or Medium energy

Question 10

Gas

Answer 10

No definite shape & no definite volume Particles spread far apart High energy

Question 11

Melting

Answer 11

matter changing from solid to liquid energy, particle movement melting point= temperature substance melts at

Question 12

Freezing/ Solidification

Answer 12

matter changing from liquid to solid and freezing point= temperature substance freezes at

Question 13

Vaporization/Evaporation

Answer 13

matter changing from liquid to gas or Boiling point= temperature substance turns to gas at

Question 14

Condensation

Answer 14

matter changing from gas to liquid

Question 15

Sublimation

Answer 15

matter changing from solid to gas

Question 16

Deposition

Answer 16

matter changing from gas to solid.