Density and States of Matter Chemistry 1

​make a list of the vocab terms in your notebook

​leave room to fill in the definitions later

​leave empty space around the definitions so you can read them

​finish your vocabulary list during down time in class, or for homework

​use your list on the quizizz daily (Tues - Fri)

​Friday quizizz counts!

a physical property that describes the amount of mass per unit of volume​

​small objects that have measurable properties

​in chemistry, particles can be atoms or molecules

particles vibrate rather than flow

​shape is fixed (not changing)

​cannot be compressed

particles flow past one another

​takes the shape of the container

​cannot be compressed

particles are spread out and flying around the container

​takes the shape of the container

​is able to be compressed

a form of energy that affects temperature and particle movement

aka thermal energy​

a solid becomes a liquid as heat is added and particle motion speeds up

​a liquid becomes a solid as heat leaves a substance and particle motion slows down

​a liquid becomes a gas as enough heat is added for particles to break free and fly away

​a gas becomes a liquid as heat is lost and particles stop flying freely