What is the central idea of paragraph 3? A Learning about roller coasters is a fun and efficient way for students to experience how potential and kinetic energy work. area mplete A has B Students can easily figure out the kinetic energy of a roller coaster car if they know the weight and height of the car off the ground. w se field njoy avity. с Roller coasters display potential energy when the car is at the top of the hill and kinetic energy when it is rushing down the hill. Students should be excited about all the potential energy there is when their car pauses at the top of the hill of a roller coaster. D late fall