presentation

1. 1
The energy produced by vibrating object is
_______.
a. Sound Energy c. Heat Energy
b. Light Energy d. Electrical Energy

2. 2
Lovely entered in her room which is very dark.
What must she do to transform the electrical
energy into light energy so that she can see
the things inside the room?
a. Plug the electric iron.
b. Turn off the switch.
c. Turn on the switch of the bulb.
d. Use the electric fan in his room.

3. 3
What is a simple machine that can split
objects apart when you apply force?
a. wedge
b. pulley
c. screw
d. lever

4. 4
A billiard ball and a sheet of paper are
dropped at the same time from the same
height. What will occur if there is no air
resistance?
a. The billiard ball will land first.
b. The paper will float slowly through the air.
c. The billiard ball will float slowly through the
air.

5. d. The billiard ball and the paper will land at the
same time.
5
Which is NOT a way of reducing friction?
a. making rough surfaces
b. making the surfaces smoother
c. using lubricants such as waxes, oils, or
grease
d. changing from sliding friction to rolling
friction using ball bearings

6. 6
When we talk on the cellular phones, the
speaker of the phone on the other end
changes the electrical energy into_____.
a. Heat Energy c. Sound Energy
b. Light Energy d. Electrical Energy

7. 7
When you pluck the strings of the guitar, the
strings vibrate, and sound is produced. What
is the energy possessed by the vibrating
strings that is changed to sound energy when
you strum a guitar?

8. a. Sound energy c. Mechanical energy
b. Electrical energy d. Light energy
8
All movements are compared with a
background that is assumed stationary. This
background is called a _______________.
A. force
B. distance
C. frame of reference

9. D. motion
9
When fewer bulbs are used in a circuit, the
brightness of each bulb _____.
A. increases B. decreases
C. disappears D. none of the above

10. 10
If the other end of the wire is not properly
connected to the negative end of the battery,
the bulb ______.

11. A. will not light B. glows dim
C. will light D. glows bright
12
The back and forth motion of a swing is a ____.
A. periodic motion B. circular Motion
C. rectilinear motion D. rolling Motion

12. 13
. Rubber and plastic are insulators
because________.

13. A. They do not allow electrical charge to
flow.
B. They do not get hot.
C. They do not break.
D. They do not get damaged.
14
Our body is also a good conductor of
electricity because of the presence of ____.

14. A. blood
B. hair
C. water
D. skin
15
What happens when one end of the wire is
disconnected from the dry cell?

15. A. Electricity continues to flow.
B. Magnetism is gone.
C. The electromagnet becomes permanent.
D. It becomes stronger.
16
What should you wear when air
temperature drops to 20°C?

16. a. old clothes b. new clothes
c. thin clothes d. thick clothes
17

17. Which of the following statement is not true
about the organic or top layer of the soil?
a. It is often black brown or dark brown in
color
b. It is mainly composed of organic materials
c. It has the presence of organic content
d. It is soft and porous to hold enough air and
water
18

18. Which among the statement is true about the
use and importance of freshwaters?
a. It sustains plant and animal life, where in it is
used to water plants and animals to drink.
b. It is the habitat of aquatic plants and animals
as well as other marine organisms
c. It is a safe source of water and considered the
cleanest water because it contains plenty of
dissolved minerals which the human body
needs.
d.It is also used for irrigation to grow crops for
our food
19

19. The following instrument are used to
measure the movement of air parallel to
Earth’s surface. Which does not belong?
a.Wind vane b. Anemometer
c. hydrometer d. windsock
20

20. Mang Javier prepared his fishing net. He
observed that the sky is overcast.
What is the best thing that he should do?
a. Call other fishermen to go on fishing.
b. Keep the nets and do not go fishing.
c. Hurry and go on fishing.
d. Stay outside and look for the coming
of typhoon.
21

21. What is a hot molten material from the Earth’s
mantle that flows out of volcanoes?
A. tectonic plate
B. crustal rock
C. magma
D. cinder
22

22. What will you do after a volcanic eruption?
A. Prepare a first aid kit.
B. Stay from volcanic ash fall areas.
C. Store enough food and drinking water.
D. Make the necessary repairs and clean
your roof
23
What are the two seasons in the Philippines?

23. A. dry and wet
B. warm and dry
C. cold and warm
D. humid and warm
24

24. Which of the following is a benefit of volcanic
eruptions?
A. attracts tourists
B. prevents flooding
C. controls landslide
D. makes the soil fertile
25

25. Which of the following activities should we do
before volcanic eruptions occur?
A. Avoid contact with the ash.
B. Wear goggles to protect your eyes.
C. Keep important documents in a safe
place.
D. Cover your nose with a wet and clean cloth