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4th gr. Common Assessment #3

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    Physical Science
  •   Study   Slideshow
  • What is Earth's hydropshere?
    the total amount of water on our planet
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  • What is happening to the state of matter of water when it boils?
    It is changing from a liquid to a gas
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  • What is the definititon of matter
    anything with mass and volume
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  • What type of energy is formed when something vibrates?
    sound energy
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  • A physical change in matter does not involve a new substance being formed. What is an example of a physical change?
    A change in the state of matter or cutting or breaking the matter into pieces
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  • A chemical change in matter involves the formation of a new substance. What is something that would cause a chemical change in matter?
    burning, rusting, or cooking
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  • What will always change when an object is in motion?
    its position (location)
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  • What science tool helps you see details in very small things?
    a microscope
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  • What science tool allows you to see details in objects that are very far away?
    a telescope
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  • What is the formula for speed?
    distance ÷ time = speed
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  • If you had a rock that had a mass of 40 g and you broke it into, what would be the combined mass of all the pieces?
    40 g.
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  • What is an insulator?
    A material that limits the amount of heat that passes through it.
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  • What is a conductor?
    A material that transfers heat well
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  • Why would a piece of metal move towards a stone?
    The stone is magnetic, so it is attracting the metal object.
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  • What are some physical properties used to describe objects?
    shape, texture, hardness, size
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  • If you had a toy car and two ramps of different heights, which ramp would make the car go faster?
    The taller ramp will make the car go faster.
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