SHADOWS
What happens when light reaches an opaque object?
The light is blocked
A shadow forms when light is…
blocked by a SOLID / OPAQUE object
What is needed to make a shadow?
A light source and an object
Will a clear bottle cast a dark shaow?
No
What material lets some light through but scatters it
Translucent
Which material is opaque?
One that is solid. Not Transparent or translucent
Which material lets light pass through clearly?
A transparent object
Name Three things you need to make a shadow
Will a brick cast a light shadow
No
Which house feature might deliberately be translucent?
Shower glass
Which object would make the best shadow puppet?
A cardboard shape
Why is glass often used for windows?
It is transparent
What type of windows would a dentist have in their clinic?
Translucent
Will a shadow be long or short if its is far from ligh light source?
Short
Why does an astronaut’s visor block some light?
To protect their eyes from bright sunlight.
TRUE or FALSE: Transparent materials block all light.
FALSE
A wooden door is…
OPAQUE
What might happen to your shadow if you move to a different position?
Its position, direction, shape or size may change.
Material lets the light shine clearly through
Transparent
A boy walks closer to a streetlight. What will happen to his shadow?
Answer: His shadow will get longer.
TRUE or FALSE: Shadows have colours and facial details.
FALSE
Mia wants to test whether a material is transparent or opaque. What could she use?
A flashlight / torch
Before an experiment, Mia writes what she thinks will happen. What is this called?
A prediction
At 9 o’clock Marcus has a long shadow because the Sun appears low in the sky.What shape will his shadow be at 11 o'clock
At 11 o’clock, the Sun is higher in the sky, so Marcus’s shadow will be shorter and directly below him.
Why are car windshields made from transparent material?
So light can pass through and the driver can see clearly.