1. Light is a form of energy known as electromagnetic radiation.
2. It travels in straight lines unless it is reflected, refracted, or diffused.
3. Light travels at a speed of about 300,000 km/s in a vacuum.
4. The Sun is the main natural source of light for Earth.
5. Visible light is only a small part of the electromagnetic spectrum.
6. Light can travel through empty space (unlike sound).
7. It behaves both like a wave and a particle (wave-particle duality).
8. Light enables us to see objects by reflecting off surfaces into our eyes.
9. It can be reflected, refracted, or absorbed by different materials.
10. White light is made up of many colors, which can be seen in a rainbow.
Which type of energy is light?
Name the two types of reflection.