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Light travels in a _____ line.
straight
zigzag
curve
Shadows are formed when
Light passes through completely
Light is blocked
Light bends around an object
A light source is something that
Gives off light
Only reflects light
Blocks light
Which of these is a natural light source?
The Sun
A torch
A lamp
A shadow is
A dark area behind an object
A source of light
A bright reflection
If the object is moved closer to the light source, the shadow
Disappears
Becomes smaller
Becomes bigger
If the object is moved further from the light source, the shadow
Turns brighter
Becomes bigger
Becomes smaller
Transparent objects
Block all light
Let light pass through
Scatter light
Opaque objects
Let all light pass through
Make light brighter
Block light completely
Translucent objects
Let some light through
Block all light
Let all light through
Frosted glass is
Transparent
Translucent
Opaque
A wooden door is
Transparent
Translucent
Opaque
A clear window is
Opaque
Transparent
Translucent
At midday, shadows are usually
Short
Not visible
Long
We should not look directly at the Sun because
It makes us sleepy
It makes shadows appear
It can damage our eyes
The area behind an opaque object where light cannot reach is called
A beam
A shadow
A reflection
