1) What is a source of light? a) A mirror b) The Sun c) A shadow 2) Why do we need light to see things? a) Light helps our eyes work b) Light makes everything disappear c) We don’t need light to see 3) What happens when light is blocked by an object? a) The object disappears b) A shadow is formed c) A The object turns into light is formed 4) What is a shadow? a) A dark shape made when light is blocked b) A reflection in a mirror c) A type of light 5) What happens to a shadow when you move the light source closer to an object? a) The shadow gets smaller b) The The shadow disappears gets bigger c) The shadow gets bigger 6) Why do shadows change size throughout the day? a) The Sun gets smaller b) The Sun moves across the sky c) Shadows don’t change size 7) Shadows don’t change size a) Yes, all materials make shadows b) No, only transparent materials make shadows c) No, only opaque materials make shadows 8) What is the difference between transparent, translucent, and opaque materials? a) Transparent lets light through, opaque blocks light, translucent lets some light through b) Transparent blocks light, opaque lets light through, translucent disappears c) They all mean the same thing 9) How does the Sun create shadows outside? a) The Sun shines on objects, and the light passing through makes a shadow b) The Sun shines on objects, and when the light is blocked, a shadow is made c) The Sun makes everything disappear 10) Why should we never look directly at the Sun? a) It is too far away to see properly b) It is too bright and can damage our eyes c) It might turn off if we look at it

Year 3 Light Questions

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