Branch of science that deals with experiments and talks about substances.

Anything that has mass and occupies space.

What are the states of matter? (3)

true or false:

a. all matter is made up of large particles

b. there is empty space between particles

c. particles are in constant motion

d. there are no forces between particles

Has fixed volume and a definite shape. It vibrates due to compact molecules.

What do you call the expansion of solid through heat and its contraction through cold.

Has no definite shape but has definite volume due to the strong attraction of molecules. It is affected by temperature and its particles can move or slide past one another.

Has no definite shape and volume with loose particles that can move around freely at a high speed.

Phase change can be discussed through _____.

Nuclear Change:

a. combining

b. separating

• a. nuclear fission

  b. nuclear fusion

• a. nuclear fusion

  b. nuclear fission