What is sounds and lights?

Sounds:

• Sound is a form of energy that travels in waves through a medium, such as air or water.
• Sound waves have different frequencies and amplitudes, which determine their pitch and volume, respectively.
• The human ear can detect sounds within a range of frequencies from 20 Hz to 20,000 Hz.
• Sound can be reflected, absorbed, or transmitted by different materials and surfaces.
• Sounds can create different moods and emotions, from soothing and relaxing to exciting and alarming.

Lights:

• Light is a form of electromagnetic radiation that travels in waves and can be seen by the human eye.
• Light waves have different wavelengths and frequencies, which determine their color and brightness, respectively.
• The visible spectrum of light ranges from red to violet, with each color having a different wavelength and frequency.
• Light can be reflected, refracted, or absorbed by different materials and surfaces.
• Lights can be used for illumination, decoration, communication, and signaling.
• Different types of lights, such as incandescent, fluorescent, LED, and halogen, have different properties and uses.