2. Recall:
ïCompare and Contrast
1. Intensive and extensive
property of matter
2. Physical and Chemical
Change
3. Candle Burning Activity:
ïCandle- Solid
ïMelted Candle- Liquid
ïSmoke- Gas
ïSolid to liquid to gas
ïHow did physical change
/chemical change occur in the
activity?
6. Which one stays above the
other?
ïEthyl
alcohol
ïWater
ïCooking oil
7. Density
ïamount of a substance contained
within a specific area
ïis the ratio of the mass of a
substance to its volume, and it can
be calculated by dividing the mass
by the volume
ïoften expressed in units such as
grams per cubic centimeter
(g/cm3)
8. Homework:
ïBring the following: (by group)
(Materials are needed on the
second meeting /DAY 2 next
week.)
ï±Syringe(2 pcs)
ï±connecting wires/alligator wires
(black and red insulation)
ï±ï·9V dry cell