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Science Review

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  • An object that moves back and forth very quickly is said to _________________________.
    VIBRATE
  • Something that burns and gives off heat is _________________________.
    FUEL
  • What do the words above and below describe?
    POSITION
  • _________________________ means to change from a liquid to a gas that goes into the air.
    EVAPORATION
  • Which are clues a chemical change is happening?
    D) Seeing and feeling water
    B) Seeing matter change in size
    A) Seeing light and feeling heat
    C) Seeing matter change in shape
  • 24.A push is an example of a _________________________.
    FORCE
  • What information do you need to measure speed?
    Time and position
    Pole and kind of material
    Size and weight
    Force and kind of substance
  • 26.When an object changes position, _________________________ happens.
    MOTION
  • The kind of energy we can hear is called _________________________.
    SOUND
  • What is true about magnets?
    They have two poles (north and south)
    They attract all metals
    A) They are shaped like bars
    They are a kind of lever
  • What kind of simple machine is a seesaw?
    LEVER
  • How do iron objects react to magnets?
    THEY ARE ATTRACTED
  • A _________________________ is two or more things put together.
  • Changing the size or shape of a substance is an example of a _________________________.
    PHYSICAL CHANGE
  • _________________________ means to change from a gas to a liquid.
    CONDENSATION
  • The force that pulls all things to Earth is called _________________________.
    GRAVITY
  • What happens when matter changes in size or shape only?
    PHYSICAL CHANGE
  • How can you tell when a chemical change has happened?
    Matter changes from a liquid to a gas
    Matter changes from a liquid to a solid
    D) Matter grows larger or smaller
    Matters turns into a different matter
  • What is an example of a physical change?
  • If a circuit is closed then the light will be ON or OFF?
    ON!
  • The kind of energy that helps us see is called _________________________.
    LIGHT
  • People can tell how hot or cold something is by finding out its _______________________.
    TEMPERATURE
  • The time it takes to move from one position to another is _________________________.
    SPEED
  • Two objects rubbing against each other cause _________________________.
    FRICTION
  • Electricity travels along a path called a _________________________.
    CIRCUIT
  • Why do drops form on the sides of a cold glass?
    CONDENSATION
  • What is needed to cause motion?
    PUSHING OR PULLING - FORCE
  • A _________________________ is a mixture that is hard to take apart.
    SOLUTION
  • When matter changes into a different kind of matter, it goes through a _________________________.
    CHEMICAL CHANGE
  • An object’s _________________________ is the amount of force that pulls it to the ground.
    WEIGHT
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