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9 questions
Darkness is
when all the lights are turned off
the presence of light
the absence of light
when we can only see shadows
Which of the following are light sources?
a mirror
the moon
the sun
lightbulbs
Light travels in
wavy lines
zigzag lines
curvy lines
straight lines
Which of these statements is correct?
Energy comes from one source (or place).
Nothing can happen without energy.
We get all our energy from plants.
An object can store energy and release it later.
Which of these statements is correct?
All sources of energy are the same.
The moon is the ultimate source of energy for all plants and animals.
The sun is the ultimate source of energy for all plants and animals.
Electricity is the ultimate source of energy for all plants and animals.
The length of a day is affected by
the seasons
the months of the year
Autumn and Spring
Summer and Winter
Light reflects best from:
Rough jagged surfaces
Shiny, flat surfaces
Dark surfaces
Water
Which of the following is opaque?
A window
A desk
A door
a mirror
Which of these objects are transluscent?
Fairy lights
Ice cube
Milk
Mirror
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