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

I have laryngitis again today….so you need to read and watch carefully.

1)Test Retakes start tomorrow.2)Test #1 Corrections & Signature-

Due tomorrow3)We will be working in the computer

lab today and tomorrow4)You may work individually or w/a

partner on pgs. 1 & 2

Reminders:

1. Go to: Learning Point2. Select: Feb. 25th - Mar. 1st3. Select: SAS Curriculum #11 hyperlink

4. Type in: eagles

Density of Pure

Water is 1 g/mL

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

Initial means the amount you started with in the graduated cylinder before you put the block in.

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

Two math problems are required for this section…..Find the VOLUME then find the DENSITY.

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

Data Table is informational only….use it to help answer questions.

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

Find the density of the crown. 1.Is it real gold? 2.What is your evidence?

1. Test #1 Corrections and Signature – Due Tomorrow

2. SAS Curriculum – DENSITY #11 –Due Friday- We will be in the computer lab tomorrow.