Laboratory Techniques And Measurements Lab Report

Laboratory Techniques & Measurements

Observations from Procedures

Data Table 1 – Length measurements
Object|Length (cm)|Length (mm)|
CD|12|120|
Key|5|50|
Spoon|17|170|
Fork|19|190|
Metric Ruler|30|300|

Data Table 2 – Temperature measurements
Hot water from tap
(44ºC )|Boiling water
(70ºC)|Boiling water – 5 minutes
(100ºC)|
]111.2 F|158 F|212 F|
Cold water from tap
(24ºC)|Ice water
(5ºC)|Ice water – 5 minutes
(0ºC)|
75.2 F|41 F|32 F|

Data Table 3 – Mass measurements
Object|Estimated Mass (g)|Actual Mass (g)|
Pencil||5.8|
3 Quarters||17|
4 Dimes||9.1|
5 Pennies||12.5|
Key||7.2|
2 Quarters 2 Dimes||15.9|
1 Quarter 2 Pennies 1 DIme||13|

Data Table 4 – Volume measurements
||Mass A|Mass B|Mass B-A|||
Liquid|Volume, mL|Graduated Cylinder, g|Graduated Cylinder w/ Liquid, g|Liquid|Density, g/mL|% error| water|5|16.4|21.3|4.9|1|| alcohol||16.4|21|4.6|.786||

Data Table 5 – Magnet – measurement method
||Mass A|Mass B|Mass B-A|||
Object|Mass, g|Length, cm|Width, cm|Height, cm|Volume, cm3|Density, g/cm3|
Magnet|4.3|2.5|.5|.5|.625|6.88|

Data Table 6 – Displacement method
Object|Mass, g|Initial volume, mL|Final volume, mL|Object volume, mL|Density, g/mL|
Magnet|4.5|8|9|1|4.5|
Metal bolt|8|8|10|2|4|

Data Table 7 – Archimedes’ method
Object|Mass, g|Mass of displaced water, g|Volume of displaced water, mL|Density, g/mL|
Metal bolt |8|129.9|75|1.732|