Mass: the amount of something. “Weighed” on a scale. (in grams)

_________ kg0.25409

Volume: the 3D space something occupies (measured in cubic meters or liters)

k hda

d c m

m³ m³ m³ m³ m³ m³ m³

k hda

d c

L L L L L L m L

MassVolume

g g g g g g

k hda

d c

m g

k hda

d c m

m³ m³ m³ m³ m³ m³ m³

k hda

d c

L L L L L L m L

MassVolume

g g g g g g

k hda

d c

m g

…∈our case𝒅𝒆𝒏𝒔𝒊𝒕𝒚=𝑚𝑎𝑠𝑠𝑣𝑜𝑙𝑢𝑚𝑒

k hda

d c m

m³ m³ m³ m³ m³ m³ m³

k hda

d c

L L L L L L m L

MassVolume

g g g g g g

k hda

d c

m g

…∈our case𝒅𝒆𝒏𝒔𝒊𝒕𝒚=𝑚𝑎𝑠𝑠𝑣𝑜𝑙𝑢𝑚𝑒

𝑔𝑚𝐿

Which liquid do you think has a greater density? The one that weighs…

𝟕𝒈𝟒𝟎𝒎𝑳

𝟗𝒈𝟒𝟎𝒎𝑳or

Which liquid do you think has a greater density? The one that weighs…

𝟕𝒈𝟒𝟎𝒎𝑳

𝟗𝒈𝟒𝟎𝒎𝑳or

Oh yeah, don’t forget to reduce first!

𝟕𝒈𝟒𝟎𝒎𝑳

𝟗𝒈𝟒𝟎𝒎𝑳or÷𝟒𝟎÷𝟒𝟎 ÷𝟒𝟎÷𝟒𝟎≈ .𝟏𝟖𝒈𝒎𝑳 ≈ .𝟐𝟑𝒈𝒎𝑳

Oh yeah, don’t forget to reduce first!

𝟕𝒈𝟒𝟎𝒎𝑳

𝟗𝒈𝟒𝟎𝒎𝑳or÷𝟒𝟎÷𝟒𝟎 ÷𝟒𝟎÷𝟒𝟎≈ .𝟏𝟖𝒈𝒎𝑳 ≈ .𝟐𝟑𝒈𝒎𝑳

To find the mass of just the liquid in the cylinder, first weigh the cylinder. Then subtract this from the mass of the cylinder and the liquid.

30 grams 21 gramsThis liquid weighs ________ g9−¿

Density is mass per volume!

𝟗𝒈𝟒𝟎𝒎𝒍÷𝟒𝟎÷𝟒𝟎≈

.𝟐𝟑𝒈𝒎𝑳