Exploring the World of Waves

1. What type of wave requires a medium to travel?

• Electromagnetic waves

• Sound waves in a vacuum

• Mechanical waves

• Radio waves in space

2. Which of the following is a characteristic of sound waves?

• Sound waves are mechanical waves.

• Sound waves can travel through a vacuum.

• Sound waves are not affected by temperature changes.

• Sound waves are electromagnetic waves.

What is a special property of electromagnetic waves?

• C) They require a medium

• D) They can be heard in a vacuum

• B) They are transverse

• A) They can travel through a vacuum

3. What is the highest point of a wave called?

• crest

• trough

• frequency

• amplitude

4. Which type of wave is represented in the diagram? (Insert diagram of a transverse wave)

• Mechanical wave

• Surface wave

• Longitudinal wave

• Transverse wave

5. What is the distance between two consecutive crests called?

• Wavelength

• Frequency

• Amplitude

• Period

What is the number of waves that pass a point each second called?

• Phase

• Intensity

• Harmonic

• A) Frequency

What unit is the frequency of a wave measured in?

• Calories

• Hertz

• Kilogram

• Grams