1. Which phrase best defines the term energy? a Energy is the ability to do work. b. Energy is the force and object can exert. C. Energy is the amount of matter present in an object. d. Energy is the amount of heat an object can give off. 2. If an object has energy, then one can be certain that it a is moving b. it is at a high temperature C. is raised above the ground d. has the ability to do work on another object 3. Which is the best definition of the tem kinetic energy? a. Kinetic energy is the energy due to motion. b. Kinetic energy is the work that an object does. C. Kinetic energy is the energy due to temperature. d. Kinetic energy is the energy stored in an object due to vertical position (height). 4. Under which of these conditions would the kinetic energy of an object increase? a The weight of the object decreases. b. The object increases its temperature. C. The speed of the object increases. d. The momentum of the object decreases. 5. Which of the following changes would cause the kinetic energy of an object to increase? a. The mass of the object changes. b. The height of the object changes. C. The speed of the object increases. d. The object does work on another object. 6. Which of the following changes would cause the kinetic energy of an object to increase? a The speed of the object changes. b. The mass of the object increases. C. The height of the object decreases. d. The object does work on another object. 8. An ice skater is moving across the skating rink and speeding up. Which one of the following statements is true of the ice skater? a. Its kinetic energy is constant. b. Its kinetic energy is increasing. C. Its kinetic energy is decreasing. 9. A rolling marble slows to a stop while rolling across a tabletop. Which one of the following statements is true of the marble? a. Its kinetic energy is constant. b. Its kinetic energy is increasing. C. Its kinetic energy is decreasing. 10. Which is the best definition of the tem potential energy? a. Potential energy is the energy due to motion. b. Potential energy is the work that an object does. C. Potential energy is the energy due to temperature. d. Potential energy is the energy stored in an object due to vertical position (height) 11. Which statement is always true of an object that has potential energy? a. The object is at rest. b. The object is moving. c. The object is above the ground. d. The object is moving through the air. The object is at rest and above the ground. e. 13. A skydiver is falling through the air at a constant speed. Which one of the following statements is true of the skydiver? a Its potential energy is constant. b. Its potential energy is increasing. C. Its potential energy is decreasing. 14. A bicyclist is cycling up a hill at a constant speed. Which one of the following staternents is true of the bicyclist? a. Its potential energy is constant. b. Its potential energy is increasing. c. Its potential energy is decreasing. 15. A rolling marble slows to a stop while rolling across a tabletop. Which one of the following statements is true of the marble? a Its potential energy is constant. b. Its potential energy is increasing. c. Its potential energy is decreasing. 16. A skydiver is falling through the air at a constant speed. Which one of the following statements is true of the skydiver? a. Both its kinetic energy and its potential energy is constant. b. Its kinetic energy is increasing and its potential energy is decreasing. C. Its kinetic energy is decreasing and its potential energy is increasing. d. Its kinetic energy is increasing and its potential energy is constant. e. Its kinetic energy is constant and its potential energy is decreasing.