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States of Matter (Grade 7)

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States of Matter

Which change in state is illustrated?
Particle State - Solid[math]rarr[/math]Particle State - Liquid
  1. melting
  2. freezing
  3. evaporation
  4. condensation
Which state of matter is made up of particles with the greatest amount of kinetic energy?
  1. gas
  2. solid
  3. liquid
  4. plasma
Which change in state is illustrated?
Particle State - Liquid[math]rarr[/math]Particle State - Gas
  1. melting
  2. freezing
  3. evaporation
  4. condensation
What is the freezing point of water?
  1. 0 degrees C (32 degrees F)
  2. 10 degrees C (34 degrees F)
  3. 15 degrees C (34 degrees F)
  4. 120 degrees C (205 degrees F)
Which statement best describes a solid?
  1. its particles vibrate in place
  2. its particles do not move at all
  3. its particles can flow past each other
  4. its particles are very far apart
Which of the following best describes the particles in matter?
  1. They are larger in solids than in liquids or gases
  2. They are larger in gases than in solids or liquids
  3. They do not move in solids
  4. They are always moving
Which states of matter have no fixed shape and no fixed volume?
  1. gas and liquid
  2. liquid and solid
  3. plasma and gas
  4. solid and plasma
Which scenario would best explain the change in state shown?
Particle State - Gas[math]rarr[/math]Particle State - Liquid
  1. a snowman melts on a sunny day
  2. a pot of water boils and forms steam
  3. pond water freezes on a cold winter day
  4. water droplets form on grass on a cool morning
Which description best describes a liquid?
  1. it has a definite shape and volume
  2. it has a definite volume but not a definite shape
  3. it expands to fill the shape and volume of its container
  4. it cannot flow
Which letter on the diagram best represents when melting occurs?
Heating Curve
  1. A
  2. B
  3. C
  4. E

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