| A | B |
| work | Energy of an object increases when ____________________ is done on the object. |
| joule | Energy and work are measured in the SI unit called the ____________________. |
| mass | If the ____________________ of an object doubles, its kinetic energy doubles. |
| speed | The kinetic energy of an object is proportional to the square of its ____________________. |
| potential | Energy that is stored due to position or shape is called ____________________ energy |
| elastic | When a pole-vaulter flexes the pole, the pole-vaulter increases the pole’s ____________________ potential energy |
| PE = mgh | You can calculate an object’s gravitational potential energy by using the equation ____________________. |
| chemical | Mechanical energy does not include kinetic energy or ____________________ energy. |
| mechanical | The sum of the kinetic energy and potential energy of an object is called its ____________________ energy |
| potential | All energy can be considered as kinetic energy, ____________________ energy, or the energy in fields |
| kinetic or mechanical | Wind turbines convert ____________________ energy into electrical energy. |
| conversion | The process of changing energy from one form to another is called energy ____________ |
| conservation of energy | Energy cannot be created or destroyed” is a statement of the law of ___________________ |
| 0 joules | When an apple falls from a tree to the ground, the apple’s beginning kinetic energy and ending gravitational potential energy are both equal to ________________ |
| light | In the equation E = mc2, c is the speed of ____________________. |