X1011703064-00074-18093</DOCNO>CHANGES OF STATE: LIQUID GAS Part 3: Boiling points CONCEPTS: changes of state, boiling point BACKGROUND: every substance has a certain boiling point SUBSTANCES NEEDED: water, alcohol, mineral oil, sand, butane refill canister EQUIPMENT NEEDED: hot plate, pot, test tubes ACTIVITY: 1.
(CHANGES OF STATE; points; CONCEPTS: changes of state, boiling point BACKGROUND: every substance has a certain boiling point SUBSTANCES) (every substance; has; a certain boiling point SUBSTANCES NEEDED) (a certain boiling point SUBSTANCES; NEEDED; )
CHANGES OF STATE every substance a certain boiling point SUBSTANCES
points has NEEDED
CONCEPTS: changes of state, boiling point BACKGROUND: every substance has a certain boiling point SUBSTANCES
a certain boiling point SUBSTANCES NEEDED