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ENERGY Grade 4

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  • What happens to a ball when it collides with the floor and bounces back up?
    The ball compresses when it hits the floor and expands back after it hits the group and bounces up.
  • When heating water in a pan, the temperature change of the water provides evidence for (sound/wave/light/kinetic) energy transfers (from/to) the water particle/
    Kinetic/To
  • When heat is transfer to an object, the objects particles move (faster/slower)
    Faster
  • When a student is performing an instrument for a large crowd: Energy is produced from the instrument, (radiation / a sound wave / light) moves through matter allowing the crowd (in only one direction / in all directions) to hear the music.
    Sound Wave / in all directions
  • What is thermal energy?
    energy that an object has because of the movement of its particles.
  • What is light energy?
    Light is a form of energy
  • What happens if a wire breaks in an electric circuit?
    The electric current will not flow if it breaks.
  • What is chemical energy
    Chemical energy becomes kinetic energy and heat.
  • What is speed?
    The distance an object travels in a particular amount of time.
  • When you clap your hands (In a collision) what evidence is there that a change in energy occurred.
    Kinetic energy changes to sound energy.
  • What is energy
    The ability to do work or to cause change.
  • During a race, some of the cars’ (electrical / kinetic / chemical) energy is transformed into (chemical energy / sound energy / electrical energy).
    kinetic/to
  • Which object is the best example of a resistor? (Battery, copper wires, wires in a light bulb, plastic coating around wires)
    wire in light bulb
  • Which list names different forms of energy? 1. magnetic, resistor, conductor 2. Sound, light, heat 3. Copper, battery, switch 4. Transform, transfer, circuits
    2. Sound, light, heat
  • In Croquet, when your ball is touching another players ball, how can you "send" the other players ball off course?
    Step on your ball. Use the mallet to hit your ball that you are stepping on and kinetic energy will travel through the ball sending the other ball off course.
  • The food a boy eats transforms into (motion / speed / energy) for doing work.
    Energy
  • Look at the picture: What evidence in the picture shows that light energy can transfer from place to place? 1.It is nighttime 2. The flashlight is on 3.The child can see the book 4. There is not electricity in the room
    The child can see the book
  • What is kinetic energy
    Energy of a moving object
  • What is heat?
    heat is the transfer of thermal energy from one object to another
  • A newtons cradle is an example of (potential energy, transfer of energy, transform of energy)
    Transfer of energy
  • Give an example of an energy transfer that happens when a baseball bat strikes a ball.
    Kinetic energy to sound energy. Kinetic energy to thermal energy
  • How is energy transformed when the drummer’s hand hits the drum?
    Kinetic energy is transformed into sound energy
  • Lower temperatures make an objects particles move (faster/slower)
    Slower
  • What two types of energy are produced from a burning candle? (Thermal, sound, light, wave)
    Thermal and Light
  • Define Transferred
    moves from one object to another
  • Order the type of energy that occurs from the guitar player’s hand to the amplifier to a listener’s ear. (Elec
    Kinetic Energy, Electric Energy, Sound Energy
  • Define Generate
    to produce
  • What is Electrical Energy
    Energy caused by charged that flow through a path
  • Use evidence in the picture to explain the energy transfer shown
    The toasted bread is evidence that electrical energy is transferred to the toaster, where electrical energy is then transformed into thermal energy.
  • What is Radiation
    energy that travels as a wave
  • How is energy transformed?
    It is changed from one kind of energy to another.
  • What is Potential Energy
    Stored energy in an object at rest
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