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Study
Changing States of Matter
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A drop of water was placed in a hot pan and seemed to disappear. The heat caused the water to _____________. A melt B freeze C cool D evaporate
D evaporate
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What is the melting point of water in degrees celsius?
0 degrees celsius
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Name the process that changes a gas to a liquid?
condensation
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What is the boiling point of water in degrees celsius?
100 degrees celsius
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When an ice cube is placed on the sidewalk on a hot day, what is the series of changes that occur to its physical state
C Solid to Liquid to Gas
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Water vapor is forming liquid water on the outside of the glass because the vapor -
A loses heat when it touches the glass
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What is the name of the process where a solid changes into a liquid?
melting
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What is the freezing point of water in degrees celsius?
0 degrees celsius
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What is the name of water in its gaseous state?
water vapor
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What is the name of the process that changes a liquid to a solid?
freezing
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Who am I? I'm visible. I keep my shape.
Solid
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Who am I? I'm visible. I can change shape. I can be poured.
a liquid
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Condensation occurs when water vapor ___________ and changes into liquid water. A gains heat energy B loses heat energy
loses heat energy
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Look at the image. The heat would cause what kind of change?
D a solid becoming a liquid
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As an ice cube melts, what will change? A How much it weighs B What it's made of C Shape D Where it is
C Shape
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Who am I? I'm invisible. I fill the space I'm in so my shape can change.
a gas
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Explain how a puddle of water disappears on a sunny day?
The liquid water is heated by the sun. The liquid water evaporates and changes to water vapor.
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