14. Review: Pass the parcel
Electricity plays a significant role in everyday
life. Some of the sources of electrical energy
currently used are fossil fuels. Burning the fossil
fuels to provide electricity causes air pollution
or landscapes to be changed or destroyed. It is
important to conserve electricity to lessen the
bad effects it brings upon the environment. Say
check on the items which show (/) the different
ways to conserve energy and (x) to those that do
17. Presentation of the Lesson
Quarter 3 – Module 3: Characteristics
and Uses of Simple Machines
After going through this lesson, you are expected to
K * Identify and classify the characteristics of the
simple machines.
S * Give the uses of simple machines.
A * Manipulate the different simple machines; and
practice safety measures in using simple machines.
V * Show appreciation on the importance of simple
machines to daily life.
19. When using the simple
machines , you must
practice precautionary
measures to avoid
accidents
20. Safety Measures With Sharp Objects
Do not uncover or unwrap the sharp object until it is time to use it.
Keep the object pointed away from yourself and other people at all times.
Never recap or bend a sharp object.
Keep your fingers away from the tip of the object.
If the object is reusable, put it in a secure, closed container after you use
it.
Never hand a sharp object to someone else or put it on a tray for another
person to pick up.
Tell the people you are working with when you plan to set the object
down or pick it up.
21. 3. Explore
Simple machines are tools that we use every
day in school, at the park, and at home.
These tools make our work easier and faster.
In this activity, you will learn how to use
these simple machines and be able to
identify their characteristics and uses.
Teaching Hints
23. Activity 1
Activity 1: Simple Machines in Action
Instructions:
1. Look for any of the following materials available such as tweezers,
scissors, stairs, doorknob, knife, bolt, pulley, broom, nail cutter, and faucet.
2. Manipulate each tool. Caution: Be careful with sharp objects. Have your teacher
supervise you when performing this task. Observe and analyze their
characteristics and uses.
3. Answer the following by choosing the correct characteristic and use of each simple
machine.
Simple Machines Characteristics Uses
25. Activity 3- Pantomime
Orient the pupils about pantomime. Have each
group pick a strip from the box. While a
group/representative is pantomiming the rest
of the groups should guess the kinds of simple
machines and their uses. Every correct answer
of the group will be given points.
27. D.Explain
1. Reporting of group outputs.
2. Analysis and discussion of pupils answer.
3. The teacher ask questions to develop
critical thinking.
The teacher will explain further about the
uses of simple machine
48. Eduardo and his family have reached
their new house, they need some help in
unpacking their belongings. Help Eduardo
decide on the best simple machine to use
in each situation.
E. Ellaborate
55. What are the simple machines?
Give their uses.
What is the importance of simple
machines to us?
56. E.Evaluation
Multiple Choice
Directions: Analyze carefully the following questions. Write the letter of your answer
on a separate sheet of paper.
1. When Mary cooks fried chicken, she uses tongs to remove the chicken from the
pan. Which of the following simple machines do tongs belong?
A. inclined plane
B. lever
C. pulley
D. wheel and axle
2. Which simple machine should you use to slice the cake?
A. ax
B. blade
57. G. Extend
Think of what simple machines you would
use to do the following job. Tell how you
would do it. Please answer in complete
sentences.
You want to build a jump for your bike.
Your dad said you can use the pile of dirt
out behind the garage for it._