Curve

1. Waves

1.1. Surfing

1.2. Water

1.3. Tsunami

1.4. Ocean

1.5. Big and small

2. Hair

2.1. Rollers

2.2. Hair dryer

2.3. Curling iron

2.4. Salon

3. Body

3.1. Curved figure

3.2. Stomach

3.3. Waist

4. Road

4.1. U-turn slot

4.2. Bendy Road

4.2.1. San Francisco

4.2.1.1. Windy

4.2.1.2. Curvy streets

5. Lines

5.1. Art

5.2. Doodling

6. Math

6.1. Parabola

6.2. Circle

7. Chips

7.1. Cheese curls

8. Sports

8.1. Baseball