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Thread: Physic test, give it a shot :)

  1. #1 Physic test, give it a shot :) 
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    1) Draw and label a diagram of the human eye.
    2) Give examples of defects in vision and show how they can be corrected.
    3) Draw a diagram to show the different types of cell to be found in the retina.
    4) Write a sentence describing each of the following effects on Light and Sound: Reflection, Refraction and Diffraction.
    5) Draw a diagram of the human ear and label it.
    6) Explain what sound is in your own words.
    7) Explain what a Blind Spot is in human vision.
    8) Draw a diagram to explain how an image is formed in a flat mirror.
    9) Draw a diagram to explain how a convex lens changes a light beam.
    10) Explain why a rainbow is formed when a white light beam hits a prism.
    11) Explain how Ultrasound works to show, for example, an unborn baby.
    12) Explain how sound is produced in string, percussion and wind instruments.
    13) Draw diagrams to show where images are formed by a convex lens. (Lens, principal focus, object and image required.)
    14) Draw diagrams to show where images are formed by a concave lens. (ditto.)
    15) Find out about and explain one method of how sound can be recorded and replayed. (CD, vinyl record, digital tape etc.)
    16) Choose an optical instrument (e.g. camera, telescope …) and explain with diagrams how it works.
    17) Explain why the sky is Blue. (Use diagrams.)
    18) Explain why we see a rainbow in the sky when it rains. (Use diagrams.)


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