REVIEW: Choose the letter of

the best answer.1. When can you say that the object vibrate?

A. The objects move back and fourthB. The object stops movingC. The object continuously moveD. The object changes it places

2. What vibrates in our throat when we shout? A. tonsils B. pharynx C. nose D. vocal cords

3. What is produced when things vibrate? A. tune B. song C. sounds D. echo

4. What is the movement

of vibrating object? A. back and fourth B. up and down C. circular D. sideward

5. When you hit an object harder what kind of sound is produced? A. soft B. mellow C. loud D. creaking

REAL OBJECTSName the following objects. ( drum, stick, clock, whistle, bell,coins, pencil, rubber band,

ruler, guitar )

Which of these objects produced loudsounds? Which of these objects produced softsounds? Classify themaccording to their sounds.

TALK ABOUT IT:

1. What is the importance of loud sounds in our life? soft sounds?

2. What kind of sounds do you want to hear?3. How can you make loud or high sounds?4. How can you make soft or low sounds?

5. What will happen to us

if all things produces a

loud sound?6. Do you want to live in a very noisy place? Why?

REMEMBER: When did you produce

a loud or high sounds? When did you produce

a soft or low sounds?

APPLY: Write the letters LSIf the object producesLoud/high sounds and SS if the object produces soft/low sounds.

___ 1. cymbals___ 2. train___ 3. airplane___ 4. big machine___ 5. sounds of frog

___ 6. clock___ 7. maracas___ 8. fire truck___ 9. cry of baby___ 10. running water

TEST YOURSELF:Choose the letter of the

correct answer.1. Very loud sound and noise are considered as _____.

A. sound pollutionB. noise pollutionC. music pollutionD. ear pollution

2. To avoid noise pollution, one should

_____. A. hit the drum vigorously

B. shout at peopleC. talk slowlyD. clap to call attention

3. What is produced when you strike the

end of the tuning fork against the table?

A. soft/low soundB. loud/high

soundC. musicD. noise

4. What is produced by a rattle that stops the cry of the

baby?

A. musicB. noise C. loud/high soundD. soft/low sound

5. A large vibrating object produces ____. A. pollution B. noise C. loud/high sound D. soft/low sound

ANSWER:1. B2. C3. B4. D5. C

ASSIGNMENT:

Draw them in the correct frame below.

SOFT/LOW SOUNDS

LOUD/HIGH SOUNDS

drum bird duck pencil dog chicken

guitar airplane kitten whistle bottle spoon raindrops factories jeepney