Class Response: Waves

In class, we are learning about waves. The waves we learned about are Longitudinal waves and Transverse waves. Longitudinal waves are waves that move the medium parallel to the direction in which the wave is travelling. Transverse waves are waves that move the medium at right angles to the direction in which the waves travel. Did you know that the highest point of a transverse wave is called the crest, and the lowest point is called the trough? We also learned a little bit about Electromagnetic waves, but these aren't visible. Most waves need a medium to travel through. A medium is the material through which a wave travels. The different types of mediums that waves can travel through are liquid, gas, and solid. But Electromagnetic waves don't need a medium to travel through. In longitudinal waves, there are compressions and rarefactions that occur. A compression is the part where the coils are close together, and a rarefaction is just the opposite, when the coils are spread out. Energy moves in waves.

The basic properties of waves are amplitude, wavelength, frequency, and speed. Amplitude is the maximum distance that the particles of the medium carrying the wave move away from their rest positions. Wavelength is the distance between corresponding parts of a wave. Frequency is the number of complete waves that pass a given point in a certain amount of time. Lastly, speed is the rate at which an object moves. This is one of the many things I learned in Science class, and waves are definitely fun to learn about.