Words of This Topic
- Wave: a periodic disturbance that transmits energy from one place to another.
- Ripple: the small wave that forms when the water surface is struck and spreads outward as a ring.
- Vibration: the repeated to and fro motion of a molecule or an object about its own place.
- Molecule: a tiny particle of a substance. The molecules of water and rope pass energy to their neighbours and so build the wave.
- Kinetic energy: the energy a moving object has. The rope receives this energy from the moving hand.
- Periodic disturbance: a disturbance that repeats regularly and transmits energy.