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Density And Particle Size Olympics
Test Description: Density and Particle Size
Instructions: Answer all questions to get your test result.
1) If you shake a jar of different types of 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) As a river flows into a lake, it deposits material it is carrying by size. The order it will deposit the material is?
A
Rocks, Clay, Silt , Sand and Gravel.
B
Clay, Silt Rocks, Gravel and Sand.
C
Rocks, Gravel, Sand, Silt and Clay.
D
Gravel, Sand, Rocks, Clay and Silt.
3) Cork floats in water because?
A
Its density is less then 1 g/ml.
B
Cork does not float in water.
C
Its density is greater then 1 g/ml.
D
It is made of wood.
4) particles can sort into layers in water by?
A
All of the above
B
Size
C
Shape
D
Density
5) A helium party balloon floats in air because?
A
The helium and balloon together have a density more then that of air.
B
The helium and balloon together have a density less then that of air.
C
They are magic balloons.
D
Helium makes you talk funny.
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
75 g/ml
B
.75 g/ml
C
1 g/ml
D
7.5 g/ml
8) Some dry stream beds you only find rocks, gravel and sand, and no silt or clay? Why are these sized particles missing?
A
Sand and clay were deposted upstream.
B
The water was flowing to fast to deposit these smaller particles?
C
Clay floats so floated downstream.
D
Streams have to have water in them.
9) Why do some types of plastic float in water and other types sink?
A
Only the plastic less dense then the water will float.
B
Depends on the temperature of the water.
C
All plastic will sink if it is heavy enough.
D
All plastic will float if the piece is small enough.
10) What tools do you need to caluculate the density of a liquid?
A
A balance and a scale
B
A ruler and microscope
C
Graduated Cylinder and a Balance
D
A ruler is all you need.
*select an answer for all questions
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