Waves

1. Wave bounces off something it cant go through

1.1. Ball thrown at a wall

1.1.1. Mirror

2. Reflection

3. Refraction

3.1. Bending of a wave

3.1.1. Lawn mower towing

3.1.1.1. Ocean wave

4. Interference

4.1. Two or more waves overlap and combine together

4.1.1. Two people collide

4.1.1.1. Two balls collide

5. Constructive Interference

5.1. Two waves combine to make a bigger wave

5.1.1. Child being pushed on a swing

5.1.1.1. Pushing kid on a swing

6. Destructive Interference

6.1. Two waves combine to make a smaller wave

6.1.1. Bad timing when you push a kid on a awing

6.1.1.1. Bad push on a swing

7. Standing wave

7.1. Wavelength fits perfect into length of a vibrating cord

7.1.1. Wave that seems to stand still

7.1.1.1. Tie a rope to one end of a rope to a chair and shake it