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How we see things (grade 5)


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How we see things (grade 5)

  1. 1. HOW WE SEE THINGS Grade 5
  2. 2. How do we see? Which part of your The Brain body are used to see? The eye
  3. 3. How do we see an object?
  4. 4. Light will be reflected in the same direction if it hit Polish,Smooth, shiny and flat surfaces
  5. 5. Reflection on the mirror nt Re Ra de y ci a fle y NormalIn R ct ed Mirror
  6. 6. Reflection :Light bouncing back from a surface
  7. 7. Experiment result about reflection on mirror
  8. 8. Scattered :reflection of rays in random direction
  9. 9. Light hitting roughsurfaceslike wood, stone,paper, or wool willbounce off them inall directions(scattered)
  10. 10. Testing Reflective MaterialsPale colour reflects more light than dark one. And mirror is thebest material to reflect most light because it smooth and shiny
  11. 11. Following are some rooms with different wall colourThe more pale the colour the more it reflects light
  12. 12. PERISCOPE
  13. 13. Steps tomake aperiscope
  14. 14. 3. Draw the reflection ray of followingpicture 40 ° Mirror
  15. 15. 4. Draw the reflection ray of followingpicture 40 40 ° ° Mirror
  16. 16. 4. Draw the reflection ray of followingpicture 40 ° Wood
  17. 17. 5. Which object applies reflection? √ The other objects are applying refraction
  18. 18. Take a straw then insert it into a glass ofwaterDraw the image of straw and glass from theside of the glass then tell the changes
  19. 19. Take a clear plastic sheet. Drop a drop of water onto the plastic using a straw. Put the drop of waterover a printed text!Draw the image of printed text under thedrop of water then tell the changes!
  20. 20. What happen to the light when itenters different medium? The light is bent