Old car vs new car

• http://www.youtube.com/watch?v=fPF4fBGNK0U

Activity-Water Balloon Toss

1) Place both partners name at top of index card

2) Copy onto the index card the following and fill in the blanks-

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 absorbingK_________ energyTo 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

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.