Focus On Life Science: California Grade 7

Lesson 1: What is light?

Standards Check

1.
The __________ of an electromagnetic light wave determines the color of the light. 6.e
A)frequency
B)compression speed
C)amplitude
D)pitch
2.
The distance between one point on a wave and the nearest point moving with the same speed and direction is the _______. 6.a
A)frequency
B)wavelength
C)intensity
D)pitch
3.
The _______ of a wave is the number of wavelengths that pass by a point each second. 6.a
A)pitch
B)wavelength
C)frequency
D)intensity
4.
Light waves are _______ waves. 6.a
A)compressional
B)sound
C)electromagnetic
D)energy
5.
The electromagnetic spectrum is the complete range of electromagnetic wave frequencies and _______. 6.a
A)colors
B)directions
C)angles
D)wavelengths
6.
Which of the following types of waves can travel through space? 6.a
A)compressional
B)mechanical
C)transverse
D)electromagnetic
7.
The entire range of electromagnetic wave frequencies is known as __________. 6.a
A)ultraviolet radiation
B)visible light
C)the electromagnetic spectrum
D)magnetism
Grade 7
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