Fechar
What does emit mean?
Give two examples of sources of light.
What are objects that emit light called?
Why do we see the Moon?
The Sun gives out ____ of light.
All light travels in _______ lines.
Why do shadows form?
What are the factors on which the size of a shadow depends on?
(2)
______ surfaces are better reflectors than _______ surfaces.
[ shiny, dull ]
What is the best reflector called?
Do mirrors absorb or reflect light?
What are the four features of a mirror image?
What are the two types of curved mirrors?
What is a convex mirror?
What is a concave mirror?
