Question

fill in the blank: fill in the blank with the correct words. 1. the distance from one crest of a wave to the next crest is called the __________. 2. the number of waves that pass a certain point in one second is the ________. 3. the highest point of a wave is called the ________, and the lowest point is called the ________. 4. a wave that needs a medium to travel through, like sound, is called a ________ wave. 5. the amount of energy a wave carries is related to its __________.

Explanation:

1. Wavelength is defined as the distance between consecutive crests of a wave.
2. Frequency is the number of waves passing a point per second.
3. The highest point of a wave is the crest and the lowest is the trough.
4. A wave needing a medium like sound is a mechanical wave.
5. The energy of a wave is related to its amplitude.

Answer:

1. wavelength
2. frequency
3. crest; trough
4. mechanical
5. amplitude