This power point presentation is for educational purposes only.

1. At the end of the lesson, the students
will be able to;
a. Recognize the given pictures of a
scientist;
b. Define what is light;and
c. Students will perform an
experiment about light.

3. LIGHT – is a type of
wave that carries
energy through matter
or space

4. What are the common
sources of light?

5. EXPERIMEN
T TIME

6.  Sun
Natural fires (bush fires)
Torches
Fire
Lamps
Bulbs
Candles

7. Activity 1.
Direction: Analyze the question and write the correct answer.
1.It is known as a source as a natural source of light.
a. Sun b. flashlight c. Kandila d. bulb
2. He is a scientist who believed that light behaves like a particle.
a. Isaac Newton
b. Galileo Galili
c. Albert Einstein
d. Christian Huygens

8. 3. He is a scientist who believed that light behaves like a wave.
a. Isaac Newton
b. Christian Huygens
c. Max Planck
d. James Clark Maxwell
4. He is a scientist who came up with what is now known as the Dual-Nature of
Light.
a. Isaac Newton
b. Christian Huygens
c. Max Planck
d. James Clark Maxwell

9. 5. He is a scientist who proposed the Electromagnetic
Theory of Light.
a. Isaac Newton
b. Christian Huygens
c. Max Planck
d. James Clark Maxwell

10. Activity 2.
6.Define what is light.
7.What will happen to the earth if it does not
have a light? And why?