Light and shadows The 14 questions of lesson 20 «Light and shadows» of the physics course of Mova's primary school with their options, 77 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: the lesson at school .
t1 my sis thinks your eyes shoot out beams that hit stuff so u can see. right? right ✓ t2 A cartoon cat walks around a dark cellar and sees everything clearly. What is true? right ✓ t3 What would happen if the Sun suddenly went out? wrong ✗ t4 Under a blue lamp at a party, your red top looks almost black. Why? wrong ✗ t5 A star has blown up but you still see it shining tonight. How can that be? wrong ✗ t6 You stand in the playground at three times: 8 am, noon and 6 pm. When is your shadow longest? right ✓ t7 oi, what you wearing black for in this heat, you thick or what? What is the point he's making? wrong ✗ t8 A driver says a kid in dark clothes "came out of nowhere" at night. What would have helped? right ✓ t9 Which is true about light and shadow? right ✓ t10 Why do we usually see an object best when a lamp is behind us shining onto it? right ✓ e1 Identify the principal reason for which an opaque body casts a shadow. wrong ✗ · exam e2 Which of the following statements most accurately characterises the perception of a non-luminous object? right ✓ · exam e3 It is given that the light of the Sun requires approximately eight minutes to reach the Earth. Determine what may be inferred should the Sun cease to shine. wrong ✗ · exam e4 Ascertain the reason for which a red apple presents a red appearance. wrong ✗ · exam ← previous
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