FORMS OF ENERGY

SELF TESTING EXERCISE

  1. Name 3 natural sources of light.
  2. Outline 4 artificial sources of light
  3. Give 3 main uses of light
  4. Under what principle of light does a pinhole camera work?
  1. Briefly explain the differences between transparent objects and opaque objects.
  2. How does light behave when focused on :-
  • transparent objects
  • translucent objects
  • opaque objects
  1. Name 3 examples of transparent materials.
  2. Briefly describe what is meant by reflection of light
  3. State the two laws of reflection
  1. What is the difference between an incident ray and reflected ray?
  2. How does regular reflection differ from irregular reflection?
  3. (a) Draw the images of the letters formed after reflection in a plane mirror

(b) State 4 characteristics of images formed in plane mirror

  1. Which optical instrument is used by submarines to observe things at the surface of an ocean?
  2. Define dispersion of light?
  3. Why does a yellow banana appear yellow?
  4. Why are we advised to put on white coloured clothes on a hot sunny day?
Olepor Ben

I am a dedicated professional primary teacher with an experience of 6 years teaching integrated science currently teaching at Vision for Africa primary school. I participate in Item setting and marking exams at school, district and national level with Uganda National Examination Board and still moving. So with the experience and qualification above; I feel competent in changing lives through integrated science.

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Olepor Ben
4 years ago

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