7 Review day 4

61. Even as energy transfers and transforms in a system, the total amount of energy...

• Increases
• Decreases
• Stays the Same

62. If a baseball and a wiffle ball are thrown at a velocity of 10 m/s which would have more Kinetic Energy?

• The wiffleball because it has more mass
• They have the same velocity so they would have equal KE
• The baseball because it has more mass

63. Two cars with the exact same mass are traveling down the road at different velocities (speed). Car A is traveling at 15 m/s. Car B is traveling at 45 m/s. Which has more kinetic energy?

• A
• B
• Both are equal

64. How can LeBron James increase the potential energy of the ball?

• Lower it
• Roll it
• Raise it

65. Energy ___________ be created or destroyed, it can only be transferred or transformed.

• can also
• can
• cannot

66. What is the metric unit for measuring length?

• grams
• liters
• meters

67. What is the metric unit for measuring volume?

• grams
• liters
• meters

68. A hot piece of metal is dropped into a cup of water. The temperature of the water quickly rises. How do we know energy was transferred?

• The temperature increased
• The temperature decreased
• Energy was not transferred

69. How will these magnets interact with each other?

• They will attract because opposites attract
• They will repel because opposites repel
• They will attract because like-sides attract

70. How will these magnets interact with each other?

• They will attract because opposites attract
• They will attract because like-sides attract
• They will repel because like-sides repel