Transcript Do Now: Illustrate the steps you need to take to find the volume of an

DO NOW: HOW COULD YOU
FIND THE VOLUME OF A
ROCK?
October 10, 2013
Left side page
WATER DISPLACEMENT
A procedure to find the volume of an irregularly
shaped object.
1. Fill a graduated cylinder with water, about half
way.
2. Gently slide the object into the graduated
cylinder.
3. Observe the final volume of the graduated
cylinder and subtract from the initial volume.
MEASURING MATTER
Mass – describes the amount of matter in an
object. Mass will be measured with an electronic scale.
Volume – describes the amount of space an
object occupies. The units of volume most
commonly used cubic centimeters and
milliliters.
1cm3 = 1mL
 Mean – the average of a set of numbers. Total all of
the numbers and divide by the number of sets.
 Median – the middle number of a set, put all of the
numbers in numerical order and find the number in the
middle.
 1, 2, 5, 8, 10, 12, 13
 Mode – this is the most frequent number in a set of
data
 3, 4, 4, 5, 6
WHAT CAN YOU TELL ME
ABOUT THIS BAR GRAPH?
HOW ABOUT THIS
HISTOGRAM?
DO NOW:
ILLUSTRATE THE
STEPS YOU NEED TO
TAKE TO FIND THE
VOLUME OF AN
IRREGULAR SOLID
Use colored pencils!
October 15, 2013 Left Side Page
DO NOW:
Observe the graduated cylinder on my desk.
• Write three observations and one inference
• Left Side Page
October 15, 2013
DENSITY NOTES
Density - The amount of matter in a given volume
You cannot measure density directly
Formula for density:
D=M/V
Formula for volume: V= M/D
Formula for mass:
M = VxD
Ending unit for density: g/cm3
FORMULA CARD:
C H A R AC T E R I S T I C P RO P E RT Y
The density of a substance is a
characteristic of that substance. Therefore,
density is a property that can be used to help
identify a substance.
DO NOW:
 1. If a block of copper measures 2.00cm x 4.00cm x 5.00cm
and weighs 356 grams, what is its density?
 2. A student pipettes 5.00mL of ethanol alcohol into a flask
weighing 15.25grams. She finds that the mass of the flask plus the
ethanol = 19.17grams. Calculate the density of the ethanol alcohol.