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Sixth Grade (Grade 6) Matter Questions

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Grade 6 Matter
Melting is when a substance changes from a
  1. solid to a liquid (i.e. from ice to water).
  2. liquid to a solid (e.g. water to ice).
Grade 6 Matter
Evaporating is when
  1. a substance changes from a liquid to a gas by heating it to its boiling point (i.e water in a kettle turning to water vapor).
  2. a substance changes from a liquid to a gas (or vapor) naturally (ie. when a puddle dries by the water in it evaporating).
  3. a substance changes from a gas (or vapor) into a liquid (ie. water vapor condenses to tiny droplets of water on a cold window).
Grade 6 Matter
States of matter are the
  1. temperature at which a liquid boils and becomes a gas.
  2. law that states that for a fixed amount of gas at a constant temperature, the volume of the gas increases as its pressure decreases and the volume of the gas decreases as its pressure increases.
  3. term used to describe a physical or chemical change in which energy is given of.
  4. physical forms in which a substance can exist; includes solid, liquid, gas, and plasma.
Grade 6 Matter
Which of the following descriptions depicts a liquid?
  1. Holds its shape, fixed volume
  2. Takes shape of its container and is the volume of the container
  3. Takes the shape of its container, free surface and fixed volume
Grade 6 Matter
What causes changes in the state of matter?
  1. Physical properties
  2. Chemical energy
  3. Temperature
Grade 6 Matter
Sublimation is
  1. a substance used in a chemical reaction.
  2. the process by which particles leave a liquid and become a gas.
  3. the process by which a solid changes directly into a gas.
  4. a substance made by a chemical reaction.
Grade 6 Matter
A solid
  1. has a definite volume and shape.
  2. can flow into the shape of its container and has a definite volume.
  3. has no definite volume and fills the entire space.
Grade 6 Matter
What are alternate names for 'solid' and 'liquid'?
  1. residue and filtrate
  2. hard thing and squishy thing
  3. consolidated and mellifluous
Grade 6 Thermodynamics
What is the difference between temperature and heat?
  1. Temperature is measured by a thermometer, and heat is measured by a barometer.
  2. Heat is measured in calories and temperature is measured in joules.
  3. Temperature measures the motion of molecules, and heat is the energy of that motion.
  4. Heat is caused by the Sun, and temperature is caused by conditions in the atmosphere.
Grade 6 Thermodynamics
Compared with the Pacific Ocean, a cup of hot chocolate has
  1. more thermal energy and a higher temperature.
  2. less thermal energy and a higher temperature.
  3. more thermal energy and a lower temperature.
  4. less thermal energy and a lower temperature.
Grade 6 Matter
If you drain the last drops out of a plastic bottle of Coke, is the bottle now empty?
  1. Yes, because all the liquid that was inside it is now gone.
  2. No, because although the liquid has gone, the bottle still has air inside it.
Grade 6 Matter
Particles in a solid
  1. flow and fill the shape of the container up to a definite volume.
  2. move quickly and fill any available space.
  3. vibrate, are tightly packed and keep their shape.
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