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SAS Curriculum - Density #11- Day 1
Transcript of SAS Curriculum - Density #11- Day 1
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You will Need:1)Pencil, Colored Pencils, Calculator2)Log #2 – Update Points3)SAS Curriculum – Density #11 –
Bookshelf – 2 pages 4 sides- Please staple
4) Introduction to Density – Due Now
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1. Go to: Learning Point2. Select: Feb. 25th - Mar. 1st3. Select: SAS Curriculum #11 hyperlink
4. Type in: eagles
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Object # Mass(g)
Initial Volume
(mL)
Final Volume
(mL)
Object Volume
(mL) 1
5
2
5
3
5
4
5
Table 1: Data for objects 1-4
Subtract Initial Volume from Final
VolumeDISPLACEMENT
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Subtract Final from Initial
Object #
Mass (g)
Initial Volum
e (mL)
Final Volume
(mL)
Object
Volume
(mL)
Density(g/mL)
RESULTS(S= sink; F=floats)
Water Ethano
Gasoline
Sea H2O
5
6
7
8
9
10
11
Table 2: Data for Objects 5-11
Divide Mass by Object Volume
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Subtract Final from Initial
Substance Density(g/mL)
aluminum 2.7copper 8.9
gasoline 0.68gold 19.3ice 0.917iron 7.8lead 11.3
seawater 1.025wood (average value) 0.8
Table of Densities
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Subtract Final from Initial
Liquid Color of
Liquid
Volume (mL)
Mass (g) Density (g/mL)
1. Water Light Blue
5
2. Ethanol Dark Blue
5
3. Gasoline
Dark Green
5
4. Seawater
Light Green
5
Table 3: Liquid Densities
Mass divided by Volume = Density
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Find the density of the crown. 1.Is it real gold? 2.What is your evidence?
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1. Identify the type of numbers you have. (unit labels)
2. Understand what the problem is asking.
3. It is a one step problem or two step problem?
4. Which formula should you use?
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The following formulas are for finding different variables in density problems.
m mv D= =
= D vxm
D v
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Do you remember the unit labels for each?
Mass Unit Label =
Volume Unit Label =
Density Unit Label =
GRAM
mL, cm3, cc
g/mL, g/cm3, g/cc
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The following formulas are for finding different variables in density problems.
m mv D= =
= D vxm
D v
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1. Test #1 Corrections and Signature – Due Tomorrow
2. SAS Curriculum – DENSITY #11 –Due Friday- We will be in the computer lab tomorrow.