Post Test Grade 6 Unit 2 Thermal Energy

Front

Which system would a thermos with a lid be?

Back

Closed system

Front

The process where water droplets leave the surface one at a time to return to the air as water vapor is called.

Back

Evaporation

Front

A cup filled with water with a lid has a mass change that is ____________________ than a cup filled with water without a lid.

Back

Less

Front

How does light interact with clear plastic?

Back

It is transmitted.

Front

A closed system is one in which no matter can enter or exit.

Back

True

Front

Liquid and gas particles are able to move __________ and have lots of __________ between them.

Back

freely, space.

Front

Water particles are able to go through the solid particles that make up the lid and walls of a cup.

Back

False

Front

Mass does not enter or exit a closed system; therefore, the mass of a closed system does not change.

Back

True

Front

What is the difference between a hot and a cold liquid?

Back

Particles in a hot liquid move faster than particles in a cold liquid.

Front

The particles in hot liquids and gases have less kinetic energy than the particles of cold liquids and gases.

Back

False