answer the following questions.
1. what would you do to see someone behind you without having to turn your back? Explain.
2. prove that heat and light usually go together.
3. differentiate the sound produced from a gong and a tweeting bird.
4. how does sound travel?
1. what would you do to see someone behind you without having to turn your back? Explain.
2. prove that heat and light usually go together.
3. differentiate the sound produced from a gong and a tweeting bird.
4. how does sound travel?
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Answer:
1. what would you do to see someone behind you without having to turn your back? Explain.
-Turn the head. Twist the torso (feet not moving). Twist further (one foot rotates). Turn at an angle (both feet move). Turn around (so they can only see our back).
2. prove that heat and light usually go together.
-Materials that do not allow to tranfer of energy.
3. differentiate the sound produced from a gong and a tweeting bird.
-From a Gong
Sonorous
From a tweeting bird
Staccato
4. how does sound travel?
-Sound travels in waves called sound waves. Sound waves travel through particles, making them vibrate and collide with other particles. This bumping and vibrating continues, passing from particle to particle, carrying the sound through the air.
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