This document provides instructions and materials for a lesson on density. It includes: 1) A list of materials needed for the lesson, including pencils, paper, and a density introduction page. 2) Practice problems on density, volume, and states of matter. 3) Instructions for an identifying volume lab and examples comparing objects with the same and different volumes, masses, and densities to understand these concepts.

1. You will Need:
1)Pencil, Colored Pencil, Calculator
2) Introduction to Density –
Bookshelf-1 page 2 sides
3) One Blank sheet of Paper – Put
your name on it
4)Identifying Volume Lab – Due
Now

2. Test #1 Takes and Retakes –
Schedule w/me – only 3 more
opportunities to complete this
Parent Conferences – Next
Week….do you have your request
form in?

3. 1. The metric unit for mass is?
2. Which form of matter has particles that
are free to move independently and
collide frequently?
3. Which variable is usually is represented
by the x-axis in a data table?
4. Give 3 equivalent unit labels for volume.
5. Physical changes to matter do not
change what?

4. 6. When CO2(s) changes state directly into a gas
without becoming a liquid, we call
this______________.
7. Which form of matter has both crystalline and
amorphous structures?
8. Plant leaves lose water through evaporation –
physical or chemical? Why?
9. Proteins are made from amino acids –
physical or chemical? Why?
10. Food is digested – physical or chemical?
11. A repeating pattern of atoms forms a
___________ ____________?

5. 12. What method would you use to find
the volume of a block of wood?
13. What are 3 equivalent formulas for
finding the volume of a cube?
14. What determines the state of matter a
substance is in?
15. When will a substance float in water?
16. What is the vocabulary word for
finding the volume of an irregularly
shaped object?

6. A substance’s density is the measure of
the mass of material within a certain
volume. (amnt of space taken up)
The mass (amnt of particles) is affected by how
tightly packed the molecules are within
the space.

7. Blank Sheet
Same Volume
(amount of space)
Different Volume

8. Blank Sheet
Same Volume/
Same Density
(amount of space)

9. Blank Sheet
Same Volume/
Same Density
(amount of space)
Different Volume/
Same Density

10. Blank Sheet
Same Volume/
Same Mass
Same Volume/
Diff Mass

11. A B
A and B = SAME VOLUME (same size)

12. A B
A and B = SAME VOLUME (same size)
A B
A and B = DIFFERENT MASS (amount of particles;
different substance)

13. C D
C and D = DIFFERENT VOLUME (different size) but
same substance

14. C D
C and D = DIFFERENT VOLUME (different size) but
same substance

15. 1. VOLUME – amount of space
• mL, cm3, cc
2. MASS – amount of particles
Any gram unit
3. DENSITY – how the particles are
packed- RATIO
• g/mL , g/cm3, g/cc, kg/m3

16. You will need this chart to ID substances.
Sample Chemical Density Physical
Symbol g/cm3 Attribute
Lead Pb 11.3 Heaviest Mass
Copper Cu 8.9 Orange
Iron Fe 7.9 Magnetic/Rusts
Brass Cu & Zn 8.6 Yellow
Aluminum Al 2.7 Lightest Mass
Zinc Zn 7.1 Dull Gray

17. Substance Mass Volume Density
(g) (cm3) (g/cm3)
4. Cube 1= _________
5. Cube 2 = _________
6. Cube 3 = _________
7. Cube 4 = _________
8. Cube 5 = _________
9. Cube 6 = _________

18. Copy chart onto Cornell Notes
Sample Chemical Density Physical
Symbol g/cm3 Attribute
Lead Pb 11.3 Heaviest Mass
Copper Cu 8.9 Orange
Iron Fe 7.9 Magnetic/Rusts
Brass Cu & Zn 8.6 Yellow
Aluminum Al 2.7 Lightest Mass
Zinc Zn 7.1 Dull Gray

19. 1. THINK about the concepts of
VOLUME, DENSITY and MASS.
2. Circle same or different.
3. Explain WHY.

20. 1. THINK about the concepts of
VOLUME, DENSITY and MASS.
2. Circle same or different.
3. Explain WHY.
A B
Iron Iron
#5. Objects A and B have the same or
different densities because
They are the same substance & the
particles are packed the same way

21. 1. Introduction to Density due
Tomorrow at the end of class.