matter Expansion and Contraction Solutions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The states that particles of matter are in constant motion and this motion determines what state of matter the substance is. | Kinetic Theory of matter
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| An ice cube will weigh – MORE or - when it is frozen solid, than when it has melted? | The Same
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| The states that matter cannot be created or destroyed in any chemical or physical change. | Law of Conservation of Mass
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| During a change, a new substance forms (– metal rusting AND burning paper turns into ash…it could weigh less because it also produces a gas (smoke) that was given off)) | chemical and example
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| During a physical change the substance is the same ( – cutting carrots in a salad…they’re still carrots even though I cut them…ALSO ice melting just changes state) | physical and example
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| Oobleck is a | liquid
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| What are 2 ways a liquid can change to a gas? | Boiling and evaporation
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| A wet towel drying on a clothes line is an example of | evaporation
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| How would a model of a solid, liquid, and gas differ?? | By the way the particles are arranged
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| Which one has the greatest amount of energy?? | the gas
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| Which one has the greatest density? | the solid
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| When a metal ball is heated, it can no longer fit through the ring (think of the lab) because the heat made it | expand
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| When a sidewalk is made, why do they leave a small space between the sections?? | To allow for expansion and contraction, so it won’t crack
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| If you add a solute to water, it will the freezing point and l the boiling point. | raise and lower
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Created by:
randolphk
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