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pa help po dito plsss need kona po now..
pa answer po ng complete plsss need ko po..
plsss wag answer pag di alam!
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Answer:
Activity 1.1
Guide Question:
1. Sound is conducted through solid by oscillation , hence through a wall.
2. a slap on the air with an open hand or other things put pressure on the ear can tear the eardrums.
3.A ruptured eardrum, like a clap of thunder, can happen suddenly. You may feel a sharp pain in your ear, or an earache that you've had for a while suddenly goes away. It's also possible that you may not have any sign that your eardrum has ruptured.
4.If the sound is closer to a “knock”, you may be dealing with problems under the hood, problems that could cause engine damage if left unresolved. We are writing this blog as another informative post to educate everyone about maintaining their car’s engine.
5. molecules of a solid are closer together, and therefore CAn transmit the vibration(energy) faster
Activity 1.2
Guide Question:
1.The spoon, when it hits a surface, begins to vibrate. That’s what causes the air to vibrate and produce “sound” in our ears.
2. whit your head above the water, hold two spoons below the surface and clink them together.
3. bump the molecules in the metal spoon.
4. sound travel more quickly through solid than through liquid in gases
5. sound travels faster in water compared with air because water particles are packed in more densely.
Explanation:
carry on learning^^