Microsoft PowerPoint - Volume&Density not done(-3,4) and radius = 5
17
3
22 =+
base.
Find the height of a triangular pyramid with a base
area of 130 square meters and a volume of 650
cubic meters.
volume of 343 m3 ?
Volume Review Example 8
How much salt is needed to fill a pit that
is 10m deep and 8m wide and 12 m
long?
Volume Review Example 10
radius = 6 m
Think about a plan….
Density: the amount of matter, or mass,
per unit volume
Volume: the amount of space an object
occupies
volume of 29.4 cm3 ?
A piece of wood that measures 3.0 cm
by 6.0 cm by 4.0 cm has a mass of 80.0
grams. What is the density of the wood?
Example 3
to have a mass 425 grams. By water
displacement, the volume of the beads was
calculated to be 48.0 mL3. Given the following
densities, identify which metal it is!
Gold: 19.3 g/mL
Copper: 8.86 g/mL
Bronze: 9.87 g/mL
What is the mass of a cylinder of lead that
is 2.50 cm in diameter, and 5.50 cm long.
The density of lead is 11.4 g/m.
Example 5
Partner Race!!
A little aluminum boat (mass of 14.50 g) has a
volume of 450.00 cm3. The boat is place in a small
pool of water and carefully filled with pennies. If
each penny has a mass of 2.50 g, how many
pennies can be added to the boat before it sinks?
Homework
Worksheet