1. Which of the following is NOT an example of mechanical waves?

A. ocean waves
B. sound waves
C. waves in a rope
D. microwaves

2. It refers to a disturbance that travels through matter or space, carrying energy without carrying matter.

A. crest
B.amplitude
C. wave
D. wavelength

3. In the visible spectrum, which color has the highest frequency and shortest wavelength?

A. green
B. blue
C. red
D. violet

4. How can wavelength be related to frequency?

A. The lower the frequency of a wave, the shorter the wavelength

B. The higher the frequency of a wave, the shorter the wavelength

C. The higher the frequency of a wave, the longer the wavelength

D. Frequency does not vary with wavelength.

5. Which one of the following is a strong heat conductor?

A. steel pan
B. blanket
C. plastic
D. wood

6. Which of the following groups of materials are considered good conductors?

A. glass, rubber, aluminum, ceramic, copper
B. glass, rubber, ceramic, dry wood
C. silver, rubber, aluminum, ceramic, wet
wood
D. aluminum, copper, gold, silver​