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1. CLASSROOM RULES:
•Listen attentively to the teachers
discussion
•Raise your right hand if you want to
answer
•Cooperate in every group activity

3. GRADE IV
LEARNING OBJECTIVES:
K- Identify solid materials that are bent or pressed
S- Describe what happens to solid materials when
they are bent or pressed
A- Show reasonable care to avoid risks with
perseverance

4. •A solid is one of the states of matter.
•Some solid materials can be bent depending on the property of the material. When
bent, these materials may change their size and shape. No new material is formed.
Only the physical appearance of the material is changed.
•CHANGES IN SOLID MATERIALS WHEN THEY ARE BENT
When solid materials are bent, their size and shape — their physical appearance —
may change but no new material is formed.
•CHANGES IN SOLID MATERIALS WHEN THEY ARE PRESSED
When solid materials are pressed, their size and shape may change. Their texture
may also change — something rough may be smoothened by pressing. Still no new
material is formed — only a physical change happens.

6. GRADE 4
GROUP ACTIVITY
Let’s Do this: What happens to solid materials when BENT or PRESSED
Caution:
1. Please be careful in handling the materials.
2. Be sure to do the experiment/activities with the supervision of an adult/ teacher.
What you need:
• 1 pc metal spoon (used for eating)
• 1 pair of rubber shoes
What to do :
Bend each of the given solid materials. Observe and describe what happens to each material.
Material Observation
Metal spoon
Rubber slippers

7. Grade 4
Individual Activity:
Direction: Look at the objects below. Identify the solid materials whether it can be bent or
pressed Write B if it can be bent and P if it can be pressed. Write your answer in your science
notebook.
1. 3. 5.
Paper clip Banana fork
2. 4. 6.
Rubber slipper plastic ruler molding clay

8. GRADE 4
ASSESSMENT
Directions: Identify the solid materials whether it can be bent or pressed. Write
bent if it can be bent and pressed if it can be pressed. Write your answer on your
science notebook.
_____________1. egg
_____________2. ripe avocado
_____________3. tie wire
_____________4. bamboo stick
_____________5. metal spoon
_____________6. pillow
_____________7. rubber shoes

10. GRADE 5
LESSON OBJECTIVES:
K- IDENTIFY THE CHANGES IN MATERIAL WHETHER IT IS PHYSICAL
OR CHEMICAL CHANGE UNDER THE APPLICATION OF HEAT.
S- INVESTIGATE THE CHANGES IN MATERIALS UNDER THE
APPLICATION OF HEAT.
A- PERFORM THE EXPERIMENT WITH CAREFULNESS.

11. GRADE 5
GROUP ACTIVITY
Group 1

12. GRADE 5
GROUP ACTIVITY
GROUP 2

13. Physical change
• A physical change is a type of change in which the form of matter is altered but one substance is
not transformed into another. The size or shape of matter may be changed, but no chemical
reaction occurs.
• Physical changes are usually reversible. Note that whether a process is reversible or not is not
truly a criterion for being a physical change. For example, smashing a rock or shredding paper
are physical changes that cannot be undone.

14. A chemical change (chemical reaction) is a change of materials into other,
new materials with different properties, and one or new substances are formed. Burning
of wood is a chemical change as new substances which cannot be changed back
(e.G. Carbon dioxide) are formed. For example, if wood is burned in a fireplace, there is
not wood anymore but ash. Other examples include burning of a candle, rusting of iron,
baking a cake, etc. Special details that describe how a chemical change takes place are
called chemical properties.

15. GRADE 5
INDIVIDUAL ACTIVITY

16. GRADE 5
ASSESSMENT
• Directions: answer each question carefully. Write the letter of the
correct answer.
1. What is the change in matter in form only and no new substance is
formed?
A. Physical change
B. Chemical change
C. Environmental change
D. None of these
2. What is a change in matter wherein a new substance is formed?
A. Physical change
B. Chemical change
C. Environmental change
D. None of these
3. An ice cream is left in a room. After 5 minutes, the ice cream turns
to liquid state. What process takes place?
A. Evaporation
B. Condensation
C. Freezing
D. Melting
4. What evidence can show that ice undergoes a physical change
when left in a room?
A. It is cold to touch.
B. It is hard and white.
C. It changes to water.
D. It reacts with oxygen in the air.
5. Which of the following does not show chemical change?
A. Digestion
B. Melting of ice cream
C. Photosynthesis
D. Burning of paper

18. GRADE 6
LESSON OBJECTIVES:
K- IDENTIFY METHODS TO SEPARATE MIXTURES
S- DESCRIBE HOW CERTAIN MIXTURES CAN BE SEPARATED
THROUGH AND FILTRATION
A- DISPOSE THE GARBAGE PROPERLY AFTER THE ACTIVITY.

19. GRADE 6
INDIVIDUAL ACTIVITY
Directions: Identify the mixture that can be separated through filtering.
Write yes if it can be separated by filtering and no if NOT. Write your
answer in your science notebook.
1. Tamarind extract
2. Salt and water
3. Sand and grave
4. Soil and water
5. Lime and water

20. GRADE 6
GROUP ACTIVITY
The teacher will provide the materials that are needed and the pupils will just follow the procedure.
1. Mix the water and sand in a pan/tin container. Stir continuously.
Answer these questions: does sand dissolved in water? Why do you think it happens?
2. Separate the sand from the mixture. Pour the water and sand mixture into a clean container using
a cloth, strainer, or a filter paper to pass it through.
Questions: a. Were you able to separate the sand from the mixture?

21. Filtration is the process of separating solid substances from a liquid through the use of a filter paper or any
cloths that can be used as a filtering medium.
• These solid residues are trapped by the filter process. It is a separation process in which a mixture is
passed through a filter that allows one component to pass through uninhibited but blocks another
component from passing through.
• Filtration works best when the solute isn't dissolve in the solvent. For instance, sand and water can be
separated through filtration as both compounds do not dissolve with each other.
• However, salt and water would not be separated through filtration as they dissolve with each other.
Vocabulary words:
1. Filter – an apparatus containing a filter medium
2. Filter medium – example filter paper or cloth
3. Residue – an usual small amount of something that remain after a process has been completed or a
thing has been removed
4. Filtrate – something that remain after a process has been completed or a thing has been removed

23. Directions: Choose the letter of the correct answer.
Write your answer in your science notebook.
1. It is the process of separation of an insoluble
solid from a liquid by means of a porous medium
which retains the solid but allows the fluid to pass.
A. Magnetizing
B. Evaporation
C. Heating
D. Filtration
2. What I have learned 9 8. ______________ Is the
best way to do when the solute isn’t dissolve in the
solvent.
A. Evaporation
B. Heating
C. Filtration
D. Magnetizing
3. It is the remains after a process has been
completed or a thing has been removed.
A. Filtrate
B. Filter
C. Residue
D. Medium
4. Solids are removed from a liquid by using a
porous material.
A. Decantation
B. Filtering
C. Evaporation
D. Sieving
B. List at least two mixtures that uses a process of
filtration.