Grade 6-Comprehensive test

EM waves travel slow in______ and fastest in ________.

The shorter the _________, the higher its energy.

Global positioning system involves which form of waves _________.

The portion of the spectrum that human eyes can detect ___________.

Light bends when it enters another medium; this process is called __________.

White light consists of how many colors?

• 5

• 6

• 7

• 8

The angle of incidence is always greater than the angle of reflection.

• True

• False

The unit of light speed is ________.

The pigment that makes plants look green is ________.