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Question 1: Light helps us to
Question 2: 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.
Question 3: Which of these is a pull?
(d) All of these
Question 4: Which of these kinds of substances allows the least amount of light to pass through?
Question 5: 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 ________________ ________________
(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 _____________ .
(a) Sun (i) Light rays blocked
(b) Opaque (ii) Natural source of light
(c) Candle (iii) Cannot see through it
(d) Shadow (iv) Unpleasant sound
(e) Noise (v) Artificial source of light
Question 11: What is the difference between luminous and non-luminous objects? Give two examples of each.
Question 12: What is the difference between transparent and translucent objects? Give two examples of each.
Question 13: How is a shadow formed?
Question 14: What can force do?