What do you remember about yesterday's lesson on waves?
Waves are vibrations that move through a medium, such as air or water. Waves can be mechanical, like sound waves, or electromagnetic, like light. Waves can be measured by their wavelength, frequency, and amplitude.
Waves: What are they?
Wave: A wave is a disturbance that travels through space and time, transferring energy from one point to another. Amplitude: The amplitude of a wave is the maximum distance from the equilibrium or rest position to the peak of a wave. Frequency: Frequency is the number of complete cycles of a wave per unit of time, usually measured in Hertz (Hz).
Concepts:
The highest wave ever recorded was in Alaska in 1958 and measured 1,717 feet (524 meters) high. The power of a single wave can be enough to light up 10,000 homes. When waves interact with each other, they can form a process called constructive interference, which can cause waves to appear even bigger than before.
Did you know?
What are the different types of waves and how do they compare to each other?
What are some examples of waves that we encounter in everyday life?
What have you learned about waves so far?
What are some ways that waves are used in the real world?
Brain break: What is your favorite song on your playlist right now?
Question: What is the difference between a transverse wave and a longitudinal wave? Clues: • Transverse waves move perpendicular to the direction of the wave. • Longitudinal waves move parallel to the direction of the wave. • Both types of waves have energy that is transferred through a medium. In pairs: Select and solve one of the tasks: A. Draw a diagram that shows the difference between a transverse wave and a longitudinal wave. B. Explain how the two types of waves are similar and how they are different.
What type of wave is a sound wave?
- Transverse
- Longitudinal
- Radio
- Tidal
What type of wave is a water wave?
- Transverse
- Longitudinal
- Radio
- Tidal
What type of wave is a light wave?
- Transverse
- Longitudinal
- Radio
- Tidal
What type of wave is an earthquake wave?
- Transverse
- Longitudinal
- Radio
- Seismic
What type of wave is a radio wave?
- Transverse
- Longitudinal
- Radio
- Tidal
Work together in pairs: Describe the differences between transverse and longitudinal waves.