Unit 2B Test Flashcards: States of Matter

Front

What determines the volume of a gas?

Back

temperature and pressure

Front

Which state of matter will hold its shape?

Back

solid

Front

Which type of reaction occurs when energy is absorbed in the process?

Back

endothermic

Front

Change from liquid water to water vapor

Back

evaporation

Front

Which statement best describes the kinetic theory of matter?

Back

Matter is made up of particles that are in constant motion and have energy.

Front

What do the molecules in a solid object do?

Back

vibrate slowly

Front

What is required to bring about a phase change?

Back

an increase or decrease in energy

Front

What will happen to the pressure of a gas if its temperature is increased?

Back

Pressure will increase

Front

What happens to the atoms of a solid when temperature decreases?

Back

They move slower.

Front

In an ice cube, as the movement of molecules increases, what would happen to the ice?

Back

It changes phase and melts.