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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

Introduction to Density Fall 2012

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Page 1: Introduction to Density  Fall 2012

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

Page 2: Introduction to Density  Fall 2012

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?

Page 3: Introduction to Density  Fall 2012

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?

Page 4: Introduction to Density  Fall 2012

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

___________ ____________?

Page 5: Introduction to Density  Fall 2012

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?

Page 6: Introduction to Density  Fall 2012

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.

Page 7: Introduction to Density  Fall 2012

Blank Sheet

Same Volume(amount of space)

Different Volume

Page 8: Introduction to Density  Fall 2012

Blank Sheet

Same Volume/

Same Density(amount of space)

Page 9: Introduction to Density  Fall 2012

Blank Sheet

Same Volume/

Same Density(amount of space)

Different Volume/

Same Density

Page 10: Introduction to Density  Fall 2012

Blank Sheet

Same Volume/

Same Mass

Same Volume/

Diff Mass

Page 11: Introduction to Density  Fall 2012

A B

A and B = SAME VOLUME (same size)

Page 12: Introduction to Density  Fall 2012

A B

A and B = SAME VOLUME (same size)

A B

A and B = DIFFERENT MASS (amount of particles;

different substance)

Page 13: Introduction to Density  Fall 2012

C D

C and D = DIFFERENT VOLUME (different size) but

same substance

Page 14: Introduction to Density  Fall 2012

C D

C and D = DIFFERENT VOLUME (different size) but

same substance

Page 15: Introduction to Density  Fall 2012

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

Page 16: Introduction to Density  Fall 2012

Sample Chemical

Symbol

Density

g/cm3

Physical

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

You will need this chart to ID substances.

Page 17: Introduction to Density  Fall 2012

Substance Mass

(g)

Volume

(cm3)

Density

(g/cm3)

4. Cube 1= _________

5. Cube 2 = _________

6. Cube 3 = _________

7. Cube 4 = _________

8. Cube 5 = _________

9. Cube 6 = _________

Page 18: Introduction to Density  Fall 2012

Sample Chemical

Symbol

Density

g/cm3

Physical

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

Copy chart onto Cornell Notes

Page 19: Introduction to Density  Fall 2012

1. THINK about the concepts of

VOLUME, DENSITY and MASS.

2. Circle same or different.

3. Explain WHY.

Page 20: Introduction to Density  Fall 2012

1. THINK about the concepts of

VOLUME, DENSITY and MASS.

2. Circle same or different.

3. Explain WHY.

#5. Objects A and B have the same or

different densities because

Iron Iron

A B

They are the same substance & the

particles are packed the same way

Page 21: Introduction to Density  Fall 2012

1. Introduction to Density due

Tomorrow at the end of class.