Study

LIGHT AND SOUND

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  • What do you see?
    The numbers of 42
  • What are the three tiny bones in the middle ears?
    Hammer, anvil, and stapes
  • When light bounces back it is ….
    reflected
  • My lenses allow us to know the world of microorganisms such as bacteria. Who am I?
    Microscope
  • Mention three optical instruments that you know!
    Microscope, Telescope, Glasses, Magnifying glass, etc
  • Give three examples of opaque objects!
    chair, desk, wall, briks, eood, etc
  • Sound is a form of energy produced by ….
    vibration
  • .... is a form of energy that travels through space.
    sound
  • I have a set of lenses that allows scientists to study and observe the universe and the galaxy where we live. Who am I?
    Telescope
  • The ear has three parts ….
    the outer, middle, and inner ear
  • Give an example of natural source of light?
    firefly, sun, stars, bioluminessences
  • Give an example of natural sound!
    Confirmed by teacher
  • Which part of your ear can be seen in the mirror?
    pinna / ear lobe
  • What do you see?
    Rabbit
  • The volume of sound is measured in units called ….
    decibels
  • Give an example of a man-made sound!
    confirmed by teacher
  • Which part of the ear vibrates when sound waves come to ears?
    ear drum
  • Light travels in ... line
    straight
  • Can and spoon wil produce sound if we ... them.
    hit
  • what does the pencil show about?
    Light is refracted when it passes from air into water
  • The colored part of the eye is ….
    iris
  • When people speak their … vibrate. (in our throat)
    vocal chord
  • the wishtle can produce sound if we .... it.
    Blow
  • The clear front part of the eye is ….
    Cornea
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