Waves

1. Standing Waves

1.1. Book Definition: A wave that stands in one place and doesn't seem to move through a medium

1.2. My Definition: A wave that does not move or does not move through a medium

1.3. Examples: Pluck a guitar, elastic cord

2. Destructive Interference

2.1. Book Definition: The interaction among two or more waves in which displacements combine to produce a wave with a smaller displacement

2.2. My Definition: Two or more waves combining to create a smaller displacement

2.3. Example: Acoustics, light beams

3. Constructive Interference

3.1. Book Definition: The interaction among two or more waves in which displacements combine to produce a wave with a larger displacement

3.2. My Definition: Two or more waves combining to make a wave with a large displacement

3.3. Example: Child on a swing, jumping rope

4. Interference

4.1. Book Definition: The interaction of two or more waves that combine in a region of overlap

4.2. My Definition: When two or more waves overlap

4.3. Examples: Two balls colliding, Static

5. Reflection

5.1. Book Definition: The interaction that occurs when a wave bounces off a surface that it cannot pass through

5.2. My Definition: When a wave cannot pass through a surface , it bounces off

5.3. Examples: Sound booth, basketball bouncing against wall

6. Refraction

6.1. Book Definition: The bending of a wave as it enters a new medium at an angle

6.2. My Definition: When a wave bends at an angle because of a new medium

6.3. Example: Pencil in water, rainbow

7. Diffraction

7.1. Book Definition: The bending of a wave as it moves around an obstacle or passes through a narrow opening

7.2. My Definition: When a wave tries to move across or through an obstacle

7.3. Example: Pebble thrown into the pond, pie tray with water and blocks in the middle