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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 stream current
The particles are being sorted by size
have washed away
Inner Core
The grains have different sizes
The molecules in air are further apart than in rocks
What happens to soil after a landslide?
less dense and floats
Which question would help a student learn more about the behavior of materials in a mixture?
A stream current
The particles are being sorted by size
have washed away
Inner Core
The grains have different sizes
The molecules in air are further apart than in rocks
What happens to soil after a landslide?
less dense and floats
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 stream current
The particles are being sorted by size
have washed away
Inner Core
The grains have different sizes
The molecules in air are further apart than in rocks
What happens to soil after a landslide?
less dense and floats
A stream bed contains round rocks, all about the same. Why are there no smaller particles of sand and clay? Sand and clay
A stream current
The particles are being sorted by size
have washed away
Inner Core
The grains have different sizes
The molecules in air are further apart than in rocks
What happens to soil after a landslide?
less dense and floats
Why is air less dense than Earth's rocks?
A stream current
The particles are being sorted by size
have washed away
Inner Core
The grains have different sizes
The molecules in air are further apart than in rocks
What happens to soil after a landslide?
less dense and floats
A student shakes a jar with a mixture of sand and gravel types. Instead of mixing, the sand grains separate into layers. Why?
A stream current
The particles are being sorted by size
have washed away
Inner Core
The grains have different sizes
The molecules in air are further apart than in rocks
What happens to soil after a landslide?
less dense and floats
Which layer of the Earth is most dense?
A stream current
The particles are being sorted by size
have washed away
Inner Core
The grains have different sizes
The molecules in air are further apart than in rocks
What happens to soil after a landslide?
less dense and floats
In an experiment, a student shakes jars of water with soil and rock in them. What does the shaking model in nature?
A stream current
The particles are being sorted by size
have washed away
Inner Core
The grains have different sizes
The molecules in air are further apart than in rocks
What happens to soil after a landslide?
less dense and floats
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