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Density, Sorting, And Earth Structure Review Quiz 2
Test Description: A brief review of density, sorting (Erosion), and Earth Structure review prior to final test.
Instructions: Answer all questions to get your test result.
1) Which particles would be carried farthest in a stream or river?
A
Boulders
B
Sand
C
Rocks
D
Silt
2) Which question would help a student learn more about the behavior of materials in a mixture?
A
What happens to soil after a landslide?
B
Does lake water dry out in warm winters?
C
How many kinds of minerals form naturally?
D
How is a living thing organized?
3) Which layer of the Earth is most dense?
A
Inner Core
B
Crust
C
Mantle
D
Outer Core
4) Earth's rigid crust floats on the hot, plastic material of the mantle. What conclusion should be made about their density? The crust is
A
Same density of the mantle
B
Denser and it sinks
C
denser and it floats
D
less dense and floats
5) Why is air less dense than Earth's rocks?
A
The molecules in air are further apart than in rocks
B
The molecules in rock are larger than the molecules in air
C
The molecules in air are closer together than in rocks
D
The molecules in rock are smaller than in the molecules in air
6) The study of a lake study shows that an incoming stream deposits larger particles as it enters the lake and smaller ones in the center of the lake. What inference can be made from these observations?
A
The particles are traveling at different speeds
B
The particles are different densities
C
The particles are made of different materials
D
The particles are being sorted by size
7) In an experiment, a student shakes jars of water with soil and rock in them. What does the shaking model in nature?
A
Living things in an environment
B
A stream current
C
A lake environment
D
A chemical change
8) A stream bed contains round rocks, all about the same. Why are there no smaller particles of sand and clay? Sand and clay
A
have washed away
B
were never there
C
are more dense
D
are too small to see
9) A student shakes a jar with a mixture of sand and gravel types. Instead of mixing, the sand grains separate into layers. Why?
A
The grains are different colors
B
The grains have different sizes
C
The grains have different shapes
D
The jar has a round shape
10) A liquid is found to have a volume of 75 mL in a graduated cylinder. When placed on a balance, the liquid and the graduated cylinder have a mass of 125 g. The empty graduated cylinder has a mass of 50 g. What is the density of the liquid?
A
2.2 g/mL
B
1 g/mL
C
0.1 g/mL
D
22 g/mL
*select an answer for all questions
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