Science Vocab Flashcards
Solid
Substance with a definite volume + shape
Liquid
Substance with a definite volume but no definite shape
Gas
Substance with no definite volume or shape
Properties
Characteristics, traits, features
Freezing
When a liquid becomes a solid
Melting
A solid becoming a liquid
Boiling
A liquid becomes a gas
Evaporation
A liquid becomes a gas at the surface
Condensation
A gas becoming a liquid
Sublimination
A solid becomes a liquid
Deposition
A gas becomes a solid
What do molecules in a solid look like
Tightly packed
What do the molecules in a liquid look like?
A little space to move
What do the molecules look like in a gas?
A lot more room to move
Adding energy + heat
Solid —> liquid —> gas
Losing energy + heat
Gas —> liquid —> solid
Do molecules stay the same regardless of their state
True
Mass stays the same regardless of their state
True
Difference between boiling + evaporation
-evaporation is at the surface
-boiling is throughout
An example of a solid liquid and gas
Not water
