MOTION

1. Speed

1.1. Distance over Time

1.2. Measuring

1.2.1. Time

1.2.1.1. Seconds

1.2.1.2. Minutes

1.2.1.3. Hours

1.2.2. SI

1.2.2.1. Distance

1.2.2.1.1. Millimeters

1.2.2.1.2. Centimeters

1.2.2.1.3. Meters

1.2.2.1.4. Kilimeters

1.2.2.2. Weight

1.2.2.2.1. Milligrams

1.2.2.2.2. Centigrams

1.2.2.2.3. Grams

1.2.2.2.4. Kilograms

1.3. Velocity

2. Acceleration

2.1. Decreasing Speed

2.2. Increasing Speed

2.3. Changing Direction

3. Reference Point

3.1. Any Object

3.1.1. Stationary

3.1.1.1. Tree

3.1.1.2. Sign

3.1.1.3. Building

3.1.2. Moving

3.1.2.1. Car

3.1.2.2. Plane

3.1.2.3. Train

3.2. Relative motion

3.3. Origin

3.3.1. Plus Sign

3.3.1.1. Right Side

3.3.1.2. In Front

3.3.2. Minus Sign

3.3.2.1. Left Side

3.3.2.2. Behind