4. 1. Turn off your microphone
when it is not your turn to speak
2. Listen attentively when I am
discussing and saying something
for the class.
3. Avoid doing things that might
disrupt the lesson.
5. 4. No yelling
5. Participate actively.
6.Don’t hesitate to ask questions
on things you don’t understand.
12. Identify the sources of light if it is
natural or artificial source.
1. light bulb
2. sun
3. kerosene lamp
4. firefly
5. Christmas lights
13. Close your eyes
Can you see things around?
Why not?
Open your eyes
Can you see now your
surroundings?
What source of light that you able
to see things?
14. Look at the picture and answer the
questions.
1. What is the boy doing?
2. Do you think the boy will hit
the shuttlecock?Why?
3. What is the source of light
that let him see the
shuttlecock?
15. 1. What is the boy doing?
2. Why is he able to read the book?
3. What is the source of light that
enable the boy to see what he is
reading?
4. Is light important to see things
around?
16. To see things around us is one of
the uses of light.
Light is needed in order to see
things.
17.
18. Light from the source, which is the sun
falls to the object and then reflected to
the eyes.
20. Photosynthesis is a process made by plants to make
their own food. And one of the important contributors
is the sunlight because the leaves make food for the
plants using the light from the sun.
28. Activity 1
Match column A to where it can be used in column B.
1.
2.
3.
4.
5.
A. Sea
B. plants
C. Study room
D. house
E. roads
29. Activity 2
1.What do we need in order to see
things?
2. What guides the ships in the dark?
3. What do plants need to make
foods?
4. Why there are traffic lights on the
roads?
30. What are the uses of lights?
•It helps us to see things.
•It helps plants to make food and
grow.
it allows us to find our way around in the
daytime!
Artificial sources of lights have different
uses like traffic lights, projectors,
lighthouses, colorful lights, and laser
31. What do you think will happen if
there is absence of light in our
surroundings?
without light, there would be no
sight.
32. Assessment:
Match column A with column B. Write the letter of the correct
answer
A B
1. Sunlight A. Help to control the flow of traffic on
2. Traffic lights the road
3. Lighthouse B. Use to decorate or beautify places
4. Colorful lights C. Use to warn ships in of danger
5. Laser D. Use by plants for making food
through its leaves
E. Use in presentation as pointer
