الاثنين، 17 يناير 2011

the quiz of the week


1. When is a shadow formed? 
When the light is turned off
When the path of light is blocked by an object
When an object falls to the floor
2. When an object blocks the path of light, what is formed? 
A shadow
A reflection
A fog
3. When an object moves closer to a light source, its shadow... 
gets bigger
gets smaller
stays the same size
4. Which will make the darkest shadow? Light shining on a... 
sheet of thin tissue paper
glass window
wooden chopping board
5. Materials that light can pass through are called... 
transparent
translucent
opaque
6. Materials through which light cannot pass are called... 
transparent
translucent
opaque
7. Where would be a shady place to stand on a sunny day? 
In the sea
Under a tree
In the middle of a football pitch
8. Why do shadows made by the Sun move over the course of a day? 
Because the weather changes
Because someone moves the objects
Because the Sun appears to move across the sky each day
9. When the Sun is behind you, your shadow is... 
behind you
above you
in front of you
10. Shadows made by the Sun are shortest... 
in the morning, when the Sun is rising
at midday, when the Sun is directly overhead
in the evening, when the Sun is setting

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