Is water wet? I want your opinion.

My
I asked my science teacher before I was homeschooled. Here is what he said; Water is not wet, whatever water touches is wet. Say I put a penny in a glass of water. If it's in water then it's not wet, but when it comes out it is. So, since water is always in itself, it is not wet.

Which type of wave can travel without a medium

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

Explain earth's motion, using the terms "precession" and "rotation" in your answer.