Unit 2 - States of Matter Review

What two things determine the state of matter?

• Particle Temperature

• Particle Motion

• Particle Arrangement

• Particle Size

What affects particle motion?

• Heat/Thermal Energy

• Density

• Kinetic Energy

• Mass

As heat energy __________

Particle motion increases, particles speed up their motion and move apart from each other

• decreases

• increases

• stay same

As heat energy __________

Particle motion decreases, particles slow down and move closer together

• decreases

• increases

• stay same

Measure of the average amount of thermal (heat) energy in a substance

• melting point

• temperature

• boiling point

• mass

Which of these are part of the Five States of Matter

(select all that apply)

• solid

• gas

• plasma

• liquid

• (BEC)

  Bose-Einstein Condensate

Which State of Matter has the MOST energy?

• solid

• gas

• liquid

_______ have a definite volume & a definite shape.

• solids

• gases

• liquids

_______ take on the shape and volume of the container

• solids

• gases

• liquids

_______ have no definite volume & no definite shape.

• solids

• gases

• liquids