1. Causal Loop Diagrams

4. Home Heating

7. Air Resistance

8. Connections (+ or - ??) Size (area) of carAir resistance force Air temperature Air resistance force Speed of car Remember use nouns Air resistance force

9. weight Air resistance Net downward Force

10. Connections (+ or - ??) Size of parachuetAir resistance force AltitudeAir resistance force Jumpers speed Remember use nouns Air resistance force Size of parachuet Net downward forceAltitude Jumpers speed Net downward force

11. Draw a causal loop diagram to describe the following: As the sky diver falls she travels faster and faster until reaching a terminal velocity. Include divers speed, air resistance, net downward force, and downward acceleration in your diagram.

12. Gas pedal depression cars acceleration MPH above speed limit cars acceleration cars acceleration cars speed

13. Draw a causal loop diagram to describe the following: As a car travels down the highway it maintains a speed near the goal of the speed limit. Include cars speed above speed limit, gas pedal depression, and acceleration in your diagram.

21. Causal loops are a communication tool