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Name _________________

Period ______

Density (ALPS)

Define these words

Mass

Volume

Density

cm3

Take a look at the two boxes below. Each box has the same volume.If each ball has the

same mass, which box would weigh more? Why?

olume

ass

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All density values in the following table are units of g/cm3

SOLIDS LIQUIDS GASES

cork 0.24 gasoline 0.68 hydrogen 0.000 09

mahogany 0.85 octane 0.70 helium 0.00018

wax 0.9 grain alcohol 0.79 ammonia 0.00077ice 0.92 wood alcohol 0.81 CO 0.00125

balsa wood 0.13 coconut oil 0.93 nitrogen 0.00126

oak 0.72 water, pure 1.00 air 0.0013

hard coal 1.4 - 1.8 water, sea 1.03 oxygen 0.00143

sugar 1.6 glycerin 1.26 CO2 0.00198

bone 1.6 chloroform 1.73 chlorine 0.00321

concrete 2.3 Mercury 13.6

glass 2.4 - 2.8

aluminum 2.7copper 8.9

silver 10.5

lead 11.3

gold 19.3

platinum 21.5

1. What is the density of pure water (dont forget units)?

2. What is the density of copper (dont forget units)?

3. What is the density of CO2 (dont forget units)?

4. a) name 2 solids that are less dense than water:b) name 2 liquids that are more dense than water:

5. If balsa wood were put into water would it float or sink?Why?

6. If concrete were put into chloroform would it float or sink?Why?

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We are going to pretend that mass and weight are the same things in order to answer these

questions.

7. Why are two units used when finding density?

8. The formula for Density is = ________

9. What is the mass of the penny? ________10.What is the volume of the penny? ____________11.What is the density of the penny? __________

12.What is the mass of the rock? _________13.What is the volume of the rock? ________14.What is the density of the rock? ________

15.Measure the length, width, and height of a small board, then find its volume.Length ______

Width ______

Height ______

Volume _____

16.A little aluminum boat (mass of 14.50 g) has a volume of 450.00 cm3. The boat isplace 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?

17.A miner finds a substance he believes is gold. He collects a sample and finds it tohave a mass of 17.8g and a volume of 2mL. Is the substance he collected gold?

Explain your reasoning.

18.What would the mass of that substance need to be for it to be gold if the volume is2mL?

19. Gasoline is a non-polar liquid that will float on water. 450 grams of gasoline isspilled into a puddle of water. If the density of gasoline is 0.665 g/mL, what

volume of gasoline is spilled?

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