Light and Energy Sources

Select a fact about Light Energy.

• Light is a form of energy.

• Light energy is any form of radiant energy.

• Light is needed for humans to maintain a high quality of life

• All of them.

Select natural sources of light. (more than 1 option)

• Stars

• Led

• Moon

• Bulb

Select artificial sources of light.

• Fluorescent tubes.

• Halogen lamp.

• Fire

• Lighting

Halogen lamps are artificial sources of light.

• True

• False

What are light characteristics? (more than 1 option)

• Intensity

• Condensation

• Direction

• Gravity

What is renewable energy?

• It is a vital source.

• It is a source of energy that will eventually run out.

• It is a source of energy that can replace itself.

• All of them.

What is non-renewal energy?

• It is a source of energy that will eventually run out.

• It is a source of energy that can replace itself quickly.

• It is a hydraulic energy.

• All of them.

Which are non-renewable sources of energy?

• Biomass and solar.

• Geothermal and oil.

• Nuclear and natural gas.

• Wind and solar.

Which are renewable sources of energy?

• Wind and coal.

• Solar and hydro power.

• Biomass and nuclear.

• All of them.

Propagation of light refers to:

• Refraction, polarity and visibility.

• Transmission, reflection and refraction.

• Reflection, transmission and coherence.