1) what is point 1? a) amplitude b) wavelength c) crest 2) Who invented Waves? a) Gessi b) Heinrich Hertz c) Albert Einstein 3) longitudinal waves contain: a) crests and trough b) compression and refraction 4) choose the right answer: a form of radiation that travel though the universe a) longitudinal waves  b) transverse waves c) mechanical waves d) electromagnetic waves 5) When were waves discovered  a) early 1880 b) late 1880 c) 1979 d) 2023 6) Where will sound travel Faster? a) Liquid b) Gas c) Solid d) 8G2 classroom

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