light

_____ will always travel on a straight path

The speed of light in vacuum is 3×10^8 m/s

• True

• False

(transparent; _______)

(translucent; refract)

(opaque; _______)

• transparent; reflect

• opaque; absorb

• transparent; refract translucent; reflect

  opaque; absorb

• opaque; reflect

A ______ is formed when you block the path of light

Can light be slowed down by scattered objects that is placed in its path?

• no

• yes

______ materials allow light to pass through so you can clearly see objects through them

Materials like frosted glass allow some light to pass through but you cannot clearly see objects through them. These materials are called ______

• transparent

• opaque

• translucent

most solids are opaque and you cannot see through it. Give three (3) examples of opaque objects

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bending of light

• refraction

• reflection

• rarefraction

• rarefaction

(RELATIONSHIP BETWEEN LIGHT INTENSITY AND DISTANCE) The closer the distance, the intensity of the light ______

• stays the same

• increases

• decreases