This is for students in grade 3

1. Describe ways on the proper use and
handling solid, liquid and gas found at
home and in school;
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2. Preliminary Activities
Read the following words.
PROPER POISONOUS
FLAMMABLE HAZARDOUS
SAFETY HANDLING

3. Review
Choose the letter of the best answer.
1. What will happen to the balloon when air cools?
a. It becomes small b. It becomes big c. It bursts
2. What happens to the balloon when air heats up?
a. It becomes small b. It becomes big c. It bursts
3. What makes the balloon become small and small?
a. Cold water b. hot water
4. What makes the balloon expand or become bigger?
a. Cold water b. hot water

4. Motivation
Look at the 2 pictures.
1. What is in the pictures?
2. Which of the two is proper harmful
and which is not?

5. Unlocking of difficulty
PRECAUTION
are essential for safety in using the materials commonly
found at home or in school.

6. Exploration
Direction: Put a check mark on the box if it is a proper
ways of handling materials and put a cross mark if it is not.
Let spilled liquid stays on the floor.
Do not play with unknown substances.
Play with matches or other flammable materials.
Do not check the expiration date of canned
goods and other products.
Always read labels before handling any unknown
materials.

7. Group Work
Group 1: Put a smiley face in the picture if it proper way
and put a sad if it not proper.
Group 2: Label the following pictures as PROPER WAY if
it is the right way of using materials and NOT PROPER if
it is not.
Group 3: Put the pictures in their proper column.
Group 4: Put a check mark before the number if it is
proper ways of handling materials and put a cross mark
if it is not.

8. Explanation
Each group will present their output.

9. Application
Lisa’s mother ordered her to clean the bathroom. She
gave all the materials Lisa will need in cleaning. One
of the materials is bleaching liquid. What should Lisa
do before using it? Why?

10. Evaluation
Put a STAR in the space provided before the number if it is a
proper ways of handling materials and put a circle if it is not.
______ 1. Lorna did not use gloves and mask while
spraying insecticides because she thinks it’s just
a props.
______ 2. Erika put a cartoon character sticker on the
product label of the bleaching liquid.
______ 3. Cheska tried to use the kerosene as hand wash
to prove to herself and to others that the
product label is true.

11. ______ 4. Troy regularly inspects the cooking gas tank is
tightly close after using it.
______ 5. Carla reminds her brother not to use bleaching
liqiuds.

12. THANK YOU!