1) How does light travel? a) At right angles b) In a straight line c) In a curved line 2) How are shadows created? a) When the light is reflected b) When the light is blocked by an opaque object 3) Which of these is not light source? a) The sun b) A flame c) Stars d) The moon 4) What happens when light hits a mirror? a) The light reflects off from the mirror and image formed b) The mirror absorbs the light completely 5) When the sun is at the highest point in the sky, the shadow of a tree will appear to be... a) Darker and shorter b) Darker and longer 6) When the light source gets closer to the object, the shadow will be... a) Smaller b) Bigger 7) When the sun behind you,your shadow is a) Behind you b) In front of you 8) Image formed by plane mirror is a) Virtual , erect , of the same size as the object. b) Real, inverted, size change 9) When an object is placed in front of a plane mirror,the left side of the object appears as the right side of the image and vice versa.This property is called a) Lateral inversion b) Reflection

Light and shadow: seeing the light

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?