1. Bell Work: More Momentum
If you increase your speed, your momentum ( increases / decreases ).
If you exert a negative net force, your momentum ( increases / decreases ).
A change in momentum is called _____.
If you extend the time of impact, the force of impact will ( increase / decrease ).
A test car is stopped by a concrete wall. The time to slow down will be ( big / small ) and the force on the car will be ( big / small ).

2. After the quiz . . . . Turn in quiz upside down in the basket.
Work on ionization energy activity.