Question

slide 9: light can be reflected -
fill in the blank(s): since light travels in
lines, how does it change direction? well one way
is refraction, but another way is by
. light reflects. if you can see it, chances are light was
reflected from a light
.

Explanation:

Light travels in straight lines. It can change direction through reflection. When we see an object, light is often reflected from that object.

Answer:

straight; reflection; source