Changes of State

Question 1

what are the 3 changes of state?

Answer 1

solid, liquid, gas

Question 2

what are the properties of a solid?

Answer 2

-hard to compress because they’re packed together in a regular pattern
-fixed shape and cannot flow

Question 3

what are the properties of a liquid?

Answer 3

-hard to compress because they’re close together
-take the shape of the container
-can flow, particles can move

Question 4

what are the properties of a gas?

Answer 4

-easy to compress because particles are widely spread
-spread out and fill the container
-move quickly and randomly

Question 5

what do the forces of attraction between the changes in state have a major impact on?

Answer 5

the melting and boiling points of a substance

Question 6

name all the changes of state

Answer 6

solid to liquid = melting
solid to gas = sublimation
gas to solid = depotision
gas to liquid = condensation
liquid to gas = evaporation
liquid to solid = freezing