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Sound and light- Science
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Created on March 16, 2021
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Transcript
Sound Energy
Unit 2 Lesson 2 week March 23-26 science 4th grade
Sound
Sound is a type of kinetic energy.
Vibration
A vibration is a back - and - forward motion. The vibration produced sound. All sound begin with vibration.
Waves
A wave that transfer energy through a material and spread outwards in all directions from a vibration is a sound wave.
Sound
Waves
Sound moves in longitudinal waves. Longitudinal wave is a wave vibrating in the same direction that energy moves. Waves can be shown as a series of peaks and dips.
Sound
Sound in liquid
Light Energy
Unit 2 Lesson 2
Light Energy
Light
To do: Read the instructions and complete. 1. Read about: Sound energy 2. Read About : Light Energy
thanks!