Physics, 23.04.2020 21:20 dl34574

I have a couple of science questions that I'm stuck on. Help..?
1. Describe how sound is created and gets to our ear for us to hear. Does sound need a medium to travel through?
2.What is wavelength? What does it tell us about the energy of a wave?
3.What is amplitude? What does it tell us about the energy of a wave?
4.What type of waves are light waves? Does light need a medium to travel through?

Answers: 3

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I have a couple of science questions that I'm stuck on. Help..?
1. Describe how sound is crea...