Question

1. reaction that releases heat
outer ear
2. flow of electrons through a material toward a positive charge
compression
3. build up of electrons in a material
static electricity
4. part of the ear is responsible for capturing sound waves
exothermic
5. part of the sound wave where the molecules are pressed closely together
current electricity

Answer 1

1. exothermic reaction 2. current electricity 3. compression 4. outer ear 5. static electricity