Have a good look at this picture below. What does it show you about how light travels?
Write you idea on your companion sheet.
Light travels through space from the Sun in the form of a transverse wave
On your companion sheet, write down how fast you think light travels.
Do this in metres per seconds (m/s).
A car travels at 70mph on the motorway. This is about 32m/s.
When there is a storm, we use light houses and fog horns to warn ships away from rocks.
The tight and the sound both get turned on at exactly the same time.
Why does the boat see the light from the light house before hearing the fog horn?
Do you agree or disagree with this statement?
Explain your answer on your companion sheet
Read through this presentation carfefully.
It tells you how we see things.
Then answer the question on the companion sheet.
Look at the definitions below.
Then carefully move around the room and find objects that are opaque, transparent and translucent.
As a stretch, can you find any luminous objects?
No light goes through it
Allows some but not all light to travel through it
Allows all light to pass through