Worksheet Density (Massa Jenis)



Part A
Purpose                             : To determine the densities several substances
Problem :
Zahra loves to cook so Zahra has many cooking set. But now Zahra has a problem, she wants to make a frying pan. The characteristics of the frying pan is light mass and small density. Zahra has 3 cubes which unknown materials that will be used to make frying pan. Help Zahra to find the best material for her frying pan.
Measuring Mass
Cube
mass (gram)
Cube 1

Cube 2

Cube 3

Measuring Volume
Cube
Length (cm)
Height (cm)
Width (cm)
Cube 1



Cube 2



Cube 3



Calculate the Density
Cube
Density
Cube 1

Cube 2

Cube 3


Depend on the result of the density, please determine what material every each cube. Use the table density below.
Density
Solid (gr/cm3)
Silver
10,57
Lead
11,34
Nickel
8,57
Iron
7,90
Aluminum
2,70
Plastic
2,00
Cube
Solid Material
Cube A

Cube B

Cube 3


Conclusion :
Zahra will choose cube _________ because it is made from ____________________________ .

Part B
Fauzan wants to across a river. He needs a boat but he must make that boat. He is confuse to choose the best material for boat. He has two kinds of materials. Material A (cube A) and B (cube B). He needs a small density for his boat to make the boat sink on the water. So, he makes small experiment to choose the best material which is needed by him.




Nails
Mass (gram)
Volume of water (mL)
Volume of nail and water (mL)
Volume nail
(mL)
Density
(gr/mL)
Cube A





Cube B






So, what material (cube) does Fauzan choose? Why?
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