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2022-23 Moss Density Practice
Test Description: Use this to help you study for the quiz.
Instructions: Answer all questions to get your test result.
1) If you shake a jar ofdifferent 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 volume.
C
Each type of sand has a different texture.
D
Each type of sand has a different color.
2) Why does a swimmer float when wearing a floatie?
A
Floaties don't work, swimmers sink.
B
The floatie changes the swimmers average density to less than 1 g/mL.
C
The floatie is full of air.
D
The floatie changes the water's density to greater than 1 g/mL
3) Cork floats in water because?
A
Its density is greater than 1 g/mL
B
Cork does not float in water
C
It's made of wood
D
Its density is less than 1 g/mL
4) If an object has the same density of water, what will happen?
A
It will float in the middle.
B
It will shrink.
C
It will sink.
D
It will float.
5) A helium party balloon floats in air because
A
Helium makes you talk funny.
B
The helium and balloon together have a density less than the density of air.
C
The helium and balloon together have a density more than that of air.
D
They are magic balloons.
6) Panning for gold works because Gold is _____________ than Sand and Gravel.
A
More dense
B
Smaller
C
Flatter
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
7.5 g/mL
B
.75 g/mL
C
1 mL/g
D
1 g/mL
8) What is the density of water?
A
15 mL
B
1 mL
C
1 g/mL
D
1 mL/g
9) What tools do you need to calculate density of a liquid?
A
A ruler is all you need
B
A ruler and a microscope
C
Graduated cylinder and a balance scale
D
A balance and a scale
10) To find the volume of a regular-shaped object, you should
A
Divide length by height
B
Multiply length X width X height
C
Use water displacement method
D
Guess, because that always work
11) CHALLENGE: What is the density of an object when the mass is 15 g and the volume is 7.5 mL?
A
2 mL/g
B
1.5 grams
C
15 mL
D
2 g/mL
*select an answer for all questions
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