The sun is an example of what kind of light ? Natural or man-made?
Natural
Light bulbs are an example of what type of light ?
Man-made
When light hits an object, where does the shadow form? Cuando la luz golpea un objeto, ¿dónde se forma la sombra?
Behind it
Lights passes EASILY through them.
Transparent objects
Light CANNOT pass through.
Opaque
