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2019-20 Moss Density Practice
Test Description: Density principles reviewed.
Instructions: Answer all questions to get your test result.
1) If you shake a jar of different type sand, but they are the same size and shape, they will form into layers. Why?
A
Each type of sand has a different density.
B
Each type of sand has a different color.
C
Each type of sand has a different volume.
D
Each type of sand has a different texture.
2) Which layer of the Earth is the most dense layer?
A
Crust
B
Outer Core
C
Inner Core
D
Mantle
3) Cork floats in water because?
A
It's made of wood
B
Its density is greater than 1 g/mL
C
Its density is less than 1 g/mL
D
Cork does not float in water
4) Which layer of the Earth is the least dense layer?
A
Outer Core
B
Crust
C
Mantle
D
Inner Core
5) A helium party balloon floats in air because
A
They are magic balloons.
B
The helium and balloon together have a density less than the density of air.
C
Helium makes you talk funny.
D
The helium and balloon together have a density more than that of air.
6) Panning for gold works because Gold is _____________ than Sand and Gravel.
A
Smaller
B
Flatter
C
More dense
D
Less dense
7) A liquid found to have a Mass of 75 grams and a Volume of 100 mL, has a density of ?
A
75 g/mL
B
1 g/mL
C
7.5 g/mL
D
.75 g/mL
8) What is the density of water?
A
1 cc
B
1 g/mL
C
1 mL/g
D
1 mL
9) What tools do you need to calculate density of a liquid?
A
Graduated cylinder and a balance scale
B
A balance and a scale
C
A ruler and a microscope
D
A ruler is all you need
10) To find the volume of a regular-shaped object, you should
A
Multiply length X width X height
B
Divide length by height
C
Guess, because that always work
D
Use water displacement method
11) CHALLENGE: What is the mass of an object when the density is 2 g/ml and the volume is 7.5 mL?
A
15 grams
B
1.5 grams
C
15 pounds
D
15 mL
*select an answer for all questions
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