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Study
Changes in Matter
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What does the investigation in the diagram demonstrate?
separating a mixture
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If I remove the stopper, what will happen to the liquid in this container?
It will stay the same
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What is this?
Evaporation
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What happens to the particles when a solution is formed?
They spread out evenly
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What will happen to the mass of water in a boiling pot?
It will go down
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Salt and water mixed form a___________?
solution
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What are two properties that provide evidence for a substance's state of matter?
volume and weight
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If I remove the lid, what will happen to the gas in this container?
It will flow out of the container
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What happens to the mass of a rusty nail?
It increases because matter is added during a chemical change
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If I change the shape of a clay brick what will happen to the mass?
Nothing. It will stay the same
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What happens to metal nails left in the rain?
A chemical reaction occurs (rust)
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I pour this liquid into a large bucket. What will happen to the liquid?
It will take the shape of the bucket
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What is one way that could show a chemical change?
color change
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What evidence shows a physical change?
a shape change, a temperature change, a change in the state of matter
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