| A | B |
|---|
| A positive charge will repel a ______ charge. | positive |
| A negative charge will repel a ______ charge. | negative |
| Conductors allow charges to move ______. | quickly |
| What causes clothes from a dryer to stick together? | the attraction of positive and negative charges |
| Lightning is a type of ______. | static elecctricity |
| A flow of electrical charges is known as ______. | electrical current |
| A switch in a circuit ______. | allows or stops the flow of electricity |
| A complete, unbroken circuit is called a ______. | closed circuit |
| When a light bulb burns out in a series circuit, it creates a ______. | open circuit |
| ______ is the strength of a power source. | voltage |
| A south pole will ______ a north pole. | attract |
| The north pole of a magnet or compass lines up with ______. | Earth's north pole |
| A ______ is an electrical circuit that produces a magnetic field. | electromagnet |
| How can you make and electromagnet stronger? | Loop the wire into a coil. |
| Words such as left and right give clues about an object's ______. | position |
| To figure an objects speed, divide ______ by ______. | distance; time |
| Velocity refers to ______. | the speed and direction of motion |
| A change in speed over time is called ______. | acceleration |
| ______ is the tendency of an object in motion to stay in motion, or an object at rest to stay at rest. | Inertia |
| Which uses friction | the brakes on a bike |
| Which force causes an object to accelerate as it falls toward earth? | gravity |
| Words like above, below, beside, to the left, etc., are used as | frames of reference when describing the position of an object |
| A group of loads in one circuit | series circuit |
| A circuit that has branches which can work even if one branch has an open circuit | parallel circuit |
| circuits that have both series and parallel circuits | combination circuits |
| materials that do not allow electricity to flow through them easily | insulators |
