25. Objectives:
Describe the characteristics
and uses of simple machines.
Manipulate the different
simple machines.
Show appreciation on the
importance of simple
machines to daily life.
32. Directions: Fill in the blanks to complete the sentences below
by choosing the appropriate words found in the box.
1.__________ help makes work easier and faster.
2._________ is a bar that turns or lifts against a *fulcrum” or
support.
3._________is a sloping surface used to raise heavy objects
from a lower level to a higher level.
4._________is made up of circular or round frame that
revolves on a shaft or rod.
Simple machines pulley lever screw
Wheel and axle incline plane wedge
Simple machines
lever
Inclined Plane
Wheel and axle
33. Directions: Fill in the blanks to complete the sentences below
by choosing the appropriate words found in the box.
5. __________ it made up of incline plane placed back to back.
6. _________ is an inclined plane wrapped in a cylindrical post.
7. _________uses wheels and a rope to raise, lower, or remove
a load easier.
Simple machines pulley lever screw
Wheel and axle incline plane wedge
wedge
crew
pulley
34. If Sir Biyo told you to remove
or pull out all the stock pile of
wood in the garden, what
tools are you going to use in
order that your work makes
easier and faster?
Wheel Barrow
35. What type of simple machine
is a wheel barrow?
How did you know that wheel
barrow is a lever?
39. Directions: Read carefully each question or situation then answer based on
your experience the characteristics and uses of simple machines. Circle the
letter of the correct answer.
1. Which of the following helps people do work which requires less effort?
a. Device c. gears
b. Equipment d. simple machines
2. During the flag ceremony, Karl is in charge of raising the flag. The simple
machine Karl uses to raise the flag is called _____.
a. Inclined plane c. lever
b. Pulley d. wedge
3. Which simple machine is a double inclined plane and has a sharp edge?
a. Lever c. screw
b. Pulley d. wedge
40. Directions: Read carefully each question or situation then answer based on
your experience the characteristics and uses of simple machines. Circle the
letter of the correct answer.
4. Which type of simple machine is an inclined plane with a spiral rib?
a. Lever c. screw
b. Pulley d. wheel and axle
5. Cindy uses a can opener to open the can of tomatoes. A can opener is an
example of a _______.
a. Lever c. inclined plane
b. Pulley d. wheel and axle
41. Assignment
Directions: Cite at least five (5) activities at home using simple
machines. Identify the simple machines used. Write your
answer in a one half cross wise.
Activities Simple Machines