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Grade and Section
I- Read and choose the letter of the correct answer. Write your answer on the line
provided.
1. In which medium can sound wave travel faster?
A solids
2. What affects the speed of sound as it travels?
B. liquids
C. gases
D. all of these
A. person receiving it
B. the nature of material
C. the origin of the sound
3. Which of the following statements about sound is correct?
D. the loudness of the sound
A. Sound cannot travel through a solid.
B. Sound travels faster in air than in liquids.
C. Sound travels faster in solids than in air.
4. When objects move back and forth then produce sound, the movement is called
A. dullness
B. steadiness C. vibration
D. stillness
5. Which of the statements below is incorrect on how sound travels?
A. Sound travels through air.
B. Sound travels through water.
C. Sound travels through solid materials
D. Sound travels faster
in liquids and gases.
6. What happens to a liquid when heated?
A. It remains the same.
C. It increases in temperature.
B. It increases in volume.
D. It increases its water level.
7. Which of the following heat transfers is done in convection?
A. Heat transfer through from substance to another by direct contact.
B. When liquid or gas is heated, the molecules of the heated part move faster and
away from each other.
C. Heat can be transmitted across empty space.
D. Heat was received by the sun.
8. In what way heat gives bad effects to us?
A. It can cook our food.
D. It can be used for medical purposes.
B. It can dry our clothes.
C. It can burn our skin.​


Sagot :

Answer:

1. kulang ng letter pero sagot po is "air"

2. B

3. B

4. C

5. C

6. C

7. B

8. D

Explanation:

1. sa air po nag travel ng mabilis ang sound kasi po wala pong nakaharang, pag sa tubig po babagal naman ito dahil sa galaw ng tubig, hihina din po ito pag sa solid.

2. kaya po B ang sagot kasi bumabagal po pag travel ng sound sa liquid, gaya po ng explanation sa number 1, and mabilis sya mag travel sa gas/air.

3. gaya rin po ng explanation sa 1 and 2, sound travels faster in air/gas than liquid.

5. nahirapan po naka daan ung sound sa solid kaya C po ung incorrect, example ung quarto na walang labasan, d po un makakasagap ng sound kasi puro solid paligid.

6. tumataas temperature ng tubig kapag napakuluan.

8. makakatulong satin ung heat pero ang bad effect po is nakakasunog ng balat, so D po ung sagot.

dko na explain iba kasi mahirap ipaliwanag^^

sana po makatulong :3

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