Forms of Energy: Light Energy – Basic 3 Basic Technology Lesson Note (First Term)

What is Light Energy?

Light energy is the brightness that helps us see things. Without light, everything would be dark.

Where Light Comes From

Natural Sources:

• Sun – biggest source of light

• Moon – reflects sun’s light

• Stars – twinkle in the sky

• Fire – flames give light

Man-made Sources:

• Electric bulb

• Torch light

• Candle

• Phone flashlight

Uses of Light Energy

• Helps us see during the day
• Read books and write
• Cook food safely
• Take photographs
• Grow plants (they need sunlight)

Exercise 1:

1. Name 2 natural light sources: _______, _______
2. Circle the man-made sources: Sun / Bulb / Moon / Torch
3. What happens to plants without sunlight? _________