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Lab Reports - Lahs Physicslahsphysics.weebly.com/uploads/4/3/5/8/4358286/density_lab_write-… ·...
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Lab Reports
Today we will be working on writing the Density lab report. Please get a computer up and running.
Keystones: 3.2.B
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During the test you may use: Conversion sheet Prepared index card Calculator Drawing implements
Review for the chapter 1+2 Test
Standards, 3.1.b,c,d , 3.4.c
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Options for Saving.
Local computer Network Thumb drive Google Docs
Keystones: 3.2.B
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Options for Lab Reports.
Word Document Power point/keynote Google Document
Keystones: 3.2.B
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Purpose/Introduction
The purpose of this laboratory is to determine the density of an object. We will also learn to use a Vernier Caliper and a mass balance.
Keystones: 3.2.B
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Theory
Define Density Vernier Caliper Mass Balance
Keystones: 3.2.B
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Experimental Technique
List procedures This is a good place to include pictures of the lab setup, apparatus, materials, etc. No Data in this section.
Keystones: 3.2.B
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Data and Analysis
Mass (g) Length (cm) Diameter(cm) Volume (cm3) Density (g/cm3) Density (g/cm3) accepted % error
Keystones: 3.2.B
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Data and Analysis
Always include sample calculations. Learn to use equation editor.
V= π4d 2L
V= π4
1.61cm( )2 5.25cm( )
V=10.7 cm3
Keystones: 3.2.B
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Data and Analysis
Always include sample calculations. Learn to use equation editor.
€
ρ = m /v
ρ =56.23g
36.11 cm3
ρ =1.557g /cm3
Keystones: 3.2.B
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Comparing Results
% Error is used to compare a measured value with an accepted value
€
% error =exp− accacc
×100%
Keystones: 3.2.B
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Conclusion
Summarize your results and discuss sources of error.
Keystones: 3.2.B
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Making the Grade
Component Value
Purpose 5 Theory 5 Experimental Tech. 5 Data Table 5 Calculations 5 Conclusion 5 Organization/quality 5
Keystones: 3.2.B