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10 questions
We need _ _ _ _ _ to reach our eyes to be able to see.
light
lite
You can see clearly through ______________ material because light travels through it easily.
a translucent
a transparent
an opaque
Things usually look blurry when you look through __________ material because only some light can travel through it.
a translucent
a transparent
an opaque
Light can't travel through _________ material, so you can't see through it.
a translucent
a transparent
an opaque
What is a shadow?
A shadow is the image made when something reflects light.
A shadow is a dark area behind an object that light can't pass through.
A shadow is what is produced when something makes its own light.
Luca, Ruby and Alfie have noticed that the shadow of a tree in the playground changes size during the day. Who has the right idea about why this is?
Luca
Ruby
Alfie
Which three of these things are light sources?
the Sun
the window
the laptop computer screen
the glow sticks
a mirror
Olivia says, "I can see the table in my kitchen even when the lights are off."
How is this possible?
Olivia can see in the dark.
The table is making its own light.
Light from the Sun is travelling through the window and reflecting off the table.
The Moon isn't a light source. It looks like it's giving off light, but it's actually reflecting light from . . .
the Sun
Earth
sky
A _ _ _ _ _ _ is formed when an object blocks the light.
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