¿Qué es la luz? – Identifica el...

The video tutorial discusses various light sources, including natural ones like the sun and artificial ones like fireworks and flames. It also clarifies that the moon and glass windows are not light sources.

Which of the following is considered a natural light source?

• Fires

• Artificial lights

• The Moon

• Glass window

What is an example of an artificial light source?

• The Sun

• A light bulb

• The Moon

• Fireworks

Which of these is a source of light due to combustion?

• Artificial lights

• The Moon

• Fireworks

• Glass window

Which of the following is not a light source?

• The Moon

• The Sun

• The flame

• Fireworks

Why is a glass window not considered a light source?

• It reflects light

• It refracts light

• It emits light

• It absorbs light