The document outlines classroom agreements and educational activities led by Maria Kennefer D. Cadubla, focusing on the concept of wedges in science. Activities include health inspections, science trivia, group work identifying wedges, and a discussion on safety when using simple machines. The lesson emphasizes characteristics and uses of wedges, incorporating hands-on activities to engage students while ensuring proper tool handling and safety measures.

1. Good
Morning!
Prepared by: MARIA KENNEFER D. CADUBLA
Teacher-I

2. Classroom Agreements
We value TIME
that we
consider it of
utmost
IMPORTANCE…

3. Observe
proper
time when
you’re
doing
activity.

4. To learn best we
should keep an open
mind, listening ears
and observe ONE
MOUTH RULE!

5. Please return the
materials after the
group activity we will
be needing them next
time…

6. Be sensitive.
Be gender sensitive.
Maintain the cleanliness
of the
classroom.

7. Let’s learn,
work together
and have
FUN!!!

8. WEDGE

9. Engagement:

10. Preparatory Activities:
a.Health Inspection
b.Science Trivia
Humans discovered
the benefits of a wedge
when they used the
jaggered edges of rocks
to cut animal flesh and
skin.

11. Early humans
smashed rocks
together with expert
skill to create sharp
edges.

12. Review:

13. What makes flag goes up
and down without anyone
climbing to put it at the top
and to put it down?

14. A Pulley is a wheel with a grooved
rim which is free to turn about a fixed
point called an axis. A pulley lifts
objects when a rope is pulled down.

15. Motivation:

16. -What is in the picture?
-What is the man doing?
-What is he using to chop
wood?
-The man has nine woods.
Each wood chopped into
eight pieces, how many
chopped wood in all?
-Prove your answer.
-What can these two back
to back inclined plane do to
some objects like a wood?

17. Exploration:
Differentiated
Instruction-
GROUP ACTIVITY

18. GROCOLOR ME UP 1 –
Direction: Identify the wedge in the columns.
Color all the wedge GREEN

19. GROUP 2 –
MAGIC BOX!
Direction: Identify which
among the objects in
the box is a kind of
wedge.

20. Explanation:

21. Questions: (for Group 1)
1. How do you find your activity?
2. Which among the group are pictures of
wedge?
3. How did you identify that those pictures
are wedge?

22. Questions: (for Group 2)
1. How do you find your activity?
2. Were you able to identify
which among the objects inside the
box are wedge?
3. How did you know that it is a
wedge? Describe its characteristics.

23. WEDGE

24. Wedge
• A wedge is a double incline
plane that is sharpened to an
end.
• It can be used to separate two
portions of an object.

25. The thinner the
wedge is, the lesser
effort is needed to
cut objects.

26. • Pushes materials apart, cuts things
• Examples: axe, doorstop, chisel, nail,
saw, jackhammer, bulldozer, snow plow,
horse plow, zipper, scissors, airplane
wing, knife, fork, bow of a boat or ship
Wedge

27. Wedge
Pushes material apart,
cuts

30. Elaboration:
(Concept forming)
What are the
characteristics of
a wedge?

31. GROUP 1- What Are My Uses?
BUBBLE MAP
Direction: Put the uses of wedge in the bubble map.
Choose the letter of the correct answer inside the box
below.
WEDGE

32. a. Lift heavy object
b. Cut materials
c. Separate things
d. Hoist flag up and
down
e. Pull the curtains apart
f. Split things apart
g. Use to climb mountain

33. GROUP 2- What Am I?
Making Collage
From the given pictures, cut out the samples of wedge and paste it like
a collage.

34. Group reporting
Did you enjoy our
activities for today?

35. BRING ME!
Tell them the safety in handling
and using simple machines
before doing the activity.

36. SAFETY IN USING SIMPLE MACHINES
Simple machine makes easier and faster.
However, if we do not handle them with care they
can harm us.
Precautionary measures in using simple
machines must be practiced in order to avoid
accidents. Here are some measures to remember,
Never play with sharp and pointed tools.
When carrying sharp and pointed tools, position
the edge pointed downwards.

37. Keep sharp and pointed tools in a tool box.
Check the tools if it is in good condition before
using it.
Do not leave tools on stairways or unattended.
When using a sharp tool always stay away from
small children
When you are through using any tool, clean
them and put it back in its proper place.
Oil the machines regularly to prevent from
rusting

38. Who among the class can
demonstrate the proper
carrying of a sharp and
pointed tools?
Let the learners look around and roam
around the classroom or you may look
inside your bag for a real sample of
wedge and be able to describe its
characteristics.

39. -Differentiated Instruction

40. Direction: Choose the letter of the correct answer.
1. A wedge has ____ edge.
a.Rough b. colorful c. sharp
2. _______ is a two inclined plane.
a. wedge b. screw c. pulley
3. An example of a wedge is ________.
a. cup b. knife c. ramp
4. One characteristic of wedge is it can
______ other materials.
a. burn b. lift c. cut
5. It can be moved to one place to another.
a. yes b. no c. maybe

41. Match the wedge with its correct definition by
writing the corresponding number in the answer
column.
Wedge Answer
Knife
Axe
Doorstopper
Farm grader
Nail
Definitions
1. To hold together
2. To cut
3. To split
4. To tighten and to hold back
5. To scrape

42. A
S
S
I
G
N
M
E
N
T
Collect pictures of wedge.
Compile the pictures in a
journal.

43. Thank you for
listening!