Study

Energy

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  • What type of energy use in our homes to power appliances?
    Electrical
  • Materials that light can pass through are called _____ materials.
    Transparent
  • In which bin do you throw out a milk carton?
    In the yellow bin
  • I'm going to go deaf if you keep screaming like this. Which quality of sound is referred?
    Loudness or intensity
  • What type of energy makes things to move and stop?
    Mechanical energy
  • Name two artifical light sources
    Light bulb and torch
  • In which bin do you throw out a jam jar?
    In the green bin
  • A lamp transforms electrical energy into ________ energy.
    light
  • An iron transforms electrical energy into _________ energy.
    Thermal
  • Name four non- renewable sources of energy
    Coal, nuclear, petroleum and natural gas
  • What type of thermal transfer is made by contact?
    Conduction
  • In which bin do you throw out a newspaper?
    In the blue bin
  • All voices and instrument have different type of sound. Which quality of sound is it?
    Timbre
  • Name 6 types of energy
    Mechanical, chemical, thermal, sound, light and electrical
  • A fan transforms electrical energy into _________ energy.
    Kinetic
  • Name four renewable sources of energy
    Solar, wind, hydroelectric and bioenergy
  • Materials that block light completely are called __________ materials
    Opaque
  • Things like wood and food store ________________ energy in them.
    Chemical
  • What type of energy make us able to see things?
    Light energy
  • Mechanical energy is divided into....
    Potencial and kinetic energy
  • Name two natural light sources
    Sun and stars
  • What type of energy is stored in all matter?
    Chemical energy
  • Which are the Three Rs?
    Reduce, reuse and recycle
  • Materials that partially block light are called ________
    Translucent