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# Momentum Bashing 2

Use ruler ramps to explore how speed affects a marble's "bashing power."

#### Key Questions

• How does changing an object's velocity change its momentum or "bashing power?"
• What determines if one car has more momentum than another in a two-car collision?

#### Student Directions

1. View the Introduction video.
3. Do the activity and begin answering the analysis questions.
4. View the Conclusion video and finish answering the analysis questions.
5. View the video segment of "It's Basic Physics" to help review the science concept(s).

Speed: how fast something moves, calculated by dividing distance traveled by time of travel

Velocity: the speed of an object and its direction of motion

Variable: any factor that can be controlled, changed, or measured in an experiment

Use ruler ramps to explore how speed affects a marble's "bashing power."

#### Key Questions

• How does changing an object's velocity change its momentum or "bashing power?"
• What determines if one car has more momentum than another in a two-car collision?

#### Student Directions

1. View the Introduction video.
3. Do the activity and begin answering the analysis questions.
4. View the Conclusion video and finish answering the analysis questions.
5. View the video segment of "It's Basic Physics" to help review the science concept(s).
##### Vocabulary

Speed: how fast something moves, calculated by dividing distance traveled by time of travel

Velocity: the speed of an object and its direction of motion

Variable: any factor that can be controlled, changed, or measured in an experiment