Energy.3

WEEK: 7&8

Topic: Energy

Objectives: At the end of this lesson, pupils should be able to:

explains the sources and uses of light energy.

2. show that some objects reflect light.

3. sound energy.

4. some musical instruments.

Resources and materials:

Scheme of work

Online information

Instructional material: 1. Plain mirror.

2. Lenses convex and concave

3. Empty tins with 4 shiny surfaces.

4. Pencils.

CONTENT

LIGHT ENERGY

Light energy is a form of electromagnetic radiation. Light consists of photons, which are produced when an object's atoms heat up. Light travels in waves and is the only form of energy visible to the human eye.

SOURCES OF ENERGY

Sun

Electric bulb

Explosion

Flame

Led(light emitting diode)

Fire

Moon

Tube light

…