| A | B |
|---|
| Valence electrons that have been temporarily separated from an atom are referred to as | free electrons |
| What is created when an atom accepts additional electrons? | negative ions |
| What is created when a transfer of electrons leaves an object with a deficiency of electrons? | positive static charge |
| What occurs when an electric force field between a positive charge and a negative charge becomes too strong? | static discharge |
| A force moving through a distance is defined as | work |
| The symbol for work is | W |
| Terms used to indicate the amount of something are | base units |
| The base unit of energy is the | joule |
| Percent efficiency equals | useful energy out divided by total energy in times 100 |
| The smallest particle of a substance that still has all of its characteristics is called | a molecule |
| ______________________ is the ability or capacity to do work. | Energy |
| ___________________ is anything that occupies space and has mass | Matter |
| __________ are substances such as gold, oxygen, and silicon. They can't be broken down into simpler substances by chemical means. | Element |
| Joule | J |
| Newton | N |
| meter | m |
| Energy | W |
