Density
What is the density of water?
1 g/cm3
What is used to mix liquids
stirring rod
To find density you need ______ __ ________
mass divided by volume
What is the last step of the scientific method?
Conclusion
Mass is how ______ something is
Volume is how ______ something is
heavy
large
What is the density of oil?
0.9g/cm3
What do we use to measure mass?
weighing scale / scale
4g/cm3
What is the third step of the scientific method?
Experiment
A high density solid
metals
rock
etc
What is a solid that is less dense than water?
anything that floats on water or in air
What can help us pour liquids carefully?
funnel
An egg with a mass of 40g and a volume of 35cm3
1.1 g/cm3
Why is oil less dense than water?
****(x2 points)****
Oil molecules are larger than water molecules
A low density gas
helium
air
CO2
etc
What does g/cm3 mean?
g=?
/=?
cm3=?
grams per cubic centimeters
What do we use to measure liquids?
Graduated Cylinder
What three measurements do we need to find the volume of a box?
Height, width, length
What are results?
Information/data from the experiment
What metal has the highest density?
*****(2x points)********
osmium (22 g/cm3)
What does density mean?
(not d=m/v)
how closely matter is packed together
What can we use to measure volume of irregular objects?
Eureka Can
A ship with a mass of 5,000 kg and a volume of 10,000,000 cm3
0.5 g/cm3
What is a hypothesis?
prediction or best guess, something you can test
A very high density liquid
mercury