Old car vs new car

1. Old car vs new car • http://www.youtube.com/watch?v=fPF4fBGNK0U

3. Activity-Water Balloon Toss • Place both partners name at top of index card • Copy onto the index card the following and fill in the blanks-

4. Water balloon toss • Today we will demonstrate the concept of I_______. • The formula is: ___________ • The definition is: A change in ______ • We want to d_________ momentum by decreasing the force. We will extend the f_____ over a ______ period of time • Examples of this are • a) Air b _____________ in cars • b) Crumple z________ in cars c) Break away u _________ poles on highways d) and crash c________ These devices decrease injury by absorbing K_________ energy To demonstrate I________ with a water balloon I will c________ the balloon when I catch it. Meaning I will c______ it for about a _________ before I stop its m______________ • Impulse • Impulse= (force)(time) • Momentum • Decrease • Force • long • Air bags in cars • zones • Utility • cushions • Kinetic • Impulse • Cradle • Carry, meter • momentum

5. Instructions • Fill one balloon ½ way full • Carry carefully to field • You will start with a grade of 70, after each toss your grade increases by 10 points, but after each toss you separate further apart.