(i) Light helps us to
(a) listen
(b) speak
(c) see
(d) eat
(ii) Which of these is true for your shadow?
(a) It is always black.
(b) It is of the same colour as your clothes.
(c) It is always the same size as you.
(d) It is only for med when it is dark.
(iii) Which of these is a pull?
(a) Kicking
(b) Lifting
(c) Hitting
(d) All of these
(iv) Which of these kinds of substances allows the least amount of light to pass through?
(a) Transparent
(b) Translucent
(c) Opaque
(d) Glass
(v) In which of these is a force not being applied?
(a) Reading a book
(b) Trying to push a table
(c) Kicking a football
(d) Throwing up a ball
(a) Transparent things ________________ ________________
(b) Push ________________ ________________
(c) Pleasant sound ________________ ________________
(d) Pull ________________ ________________
(i) Light travels in straight lines.
(ii) Unpleasant sound can cause headache.
(iii) A force can change the weight of an object.
(iv) We can clearly see through opaque objects.
(v) We use force only when we push something.
(a) Birds chirping ()
(b) Cars honking ()
(c) Rustling leaves ()
(d) Someone singing softly ()
(e) Loud music ()
(f) Children quarrelling ()
(a) Beam of light is called _____________ .
(b) Unpleasant sound is called _____________ .
(c) Force can change the _____________ of a moving object.
(d) A shadow for ms on the _____________ side of the light.
(e) A push or pull is a _____________ .
Q7: What is the difference between luminous and non-luminous objects? Give two examples of each.
Q8: What is the difference between transparent and translucent objects? Give two examples of each.
Q9: How is a shadow formed?
Q10: What can force do?
You can access the solutions to this worksheet here.
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1. How does light travel? |
2. What is the speed of sound in air? |
3. How is force measured? |
4. What is the difference between pitch and volume in sound? |
5. How does force affect motion? |
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