Light Flashcards
Is the moon a source o flight?
No it reflects the sunlight
What are 3 sources of light?
Sun, lightbulb, flame
What are 3 types of sun protection?
Sun cream, sunglasses, neve look directly into it
True or false, light is needed to see things?
True
What is light?
A form of energy that travels in straight lines
What is dark?
The absence of light
What is a shadow?
A dark area caused when light is blocked by an opaque object
What does ‘reflect’ mean?
To bounce off
What is reflection?
The process where light hits an object and bounces back into our eyes
What does opaque mean?
Objects that do not let any light through them
What is an object that lets all or nearly all light through called?
Transparent
What is an obect that lets a little light through called?
Translucent
What are ultra violet (UV) rays?
Waves of light from the sun which are dangerous for the eyes and skin
True or false, shiny surfaces reflect well?
True
True or false, the closer the object the smaller the shadow?
FALSE
