Name: ______________________________________ Date: ________________________ Student Exploration: Roller Coaster PhysicsVocabulary:friction, gravitational potential energy, kinetic energy, momentum Prior Knowledge Questions (Do these BEFORE using the Gizmo.)Sally gets onto the roller coaster car, a bit nervous already. Her heart beats faster as the car slowly goes up the first long, steep hill. 1. What happens at the beginning of every roller coaster ride? 2. Does the roller coaster ever get higher than the first hill? Explain. Gizmo Warm-upThe Roller Coaster Physics Gizmo models a roller coaster with a toy car on a track that leads to an egg. You can change the track or the car. For the first experiment, use the default settings (Hill 1 = 70 cm, Hill 2= 0 cm, Hill 3= 0 cm, 35-g car). 1. Press Play() to roll the 35-gram toy car down the track. Does the car break the egg? 2. Click Reset(). Set Hill 1to 80 cm, and click Play. Does the car break the egg?