
Year 6: Unit 1- End of Lesson 4
Quiz by Gayle Ruddick
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- Q1
Which word describes an object that does not form shadows?
Opaque
Translucent
Transparent
20s - Q2
What would make the clearest shadow?
A transparent object
An opaque object
A dim light source
A translucent object
20s - Q3
Why is a shadow the same shape as the object that forms it?
because light travels in a straight line
because light travels through the object
20s - Q4
Choose the correct word to complete the sentence. When an object is closer to the light source the shadow becomes __________.
brighter
wider
smaller
darker
20s - Q5
Choose the correct word to complete the sentence. When the light source is lower, the shadow becomes _________.
wider
longer
smaller
larger
20s - Q6
Which part of the eye changes light into electrical signals?
iris
retina
optic nerve
pupil
30s - Q7
Which part of the eye sends electrical signals to the brain?
optic nerve
retina
iris
pupil
20s - Q8
Which part of the eye controls the size of the pupil?
retina
iris
eyelids
pupil
20s - Q9
Which of the below is a light source?
mirror
glass
the Moon
candle
20s - Q10
Which of the following is not a light source?
a torch
the Sun
a star
mirror
30s