6.2 Vocabulary Lessons 1-6

Front

Water in the form of a gas is water _________.

Back

vapor

Front

A system in which no matter is allowed to enter or leave is called a _________.

Back

closed system

Front

The process of water vapor (gas) joining other water vapor molecules to form liquid droplets is called _________.

Back

condensation

Front

The smallest piece of a substance is called a _________.

Back

particle

Front

When water molecules _________________ they escape their liquid friends.

Back

evaporate

Front

The process of changing from a liquid to a gas is called _________.

Back

evaporation

Front

The process of changing from a gas to a liquid is called _________.

Back

condensation

Front

A system that allows matter to enter and leave is called an _________.

Back

open system

Front

The state of matter that has a definite shape and volume is called _________.

Back

solid

Front

The state of matter that has a definite volume but takes the shape of its container is called _________.

Back

liquid