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Electricity
| Question | Answer |
|---|---|
| An ________ is a coil of wire, usually wound around a core of iron or steel, which produces a magnetic field when electricity flows through a wire. | Electromagnet |
| The _____ is the material around which the coil is wound. | Core |
| A _____ is wire wound repeatedly around the central core. | Coil |
| The ________ produced by an electromagnet can be turned on and off. | Magnetism |
| The best design for a strong electromagnet is to wrap the wire tightly between the head of the ______ and the first _______. | Vervet and Grommit |
| A ________ is an educated guess based on knowledge or information. | Prediction |
| A _____ _____ is a way to display the relationship between variables. | Line Graph |
| The more _____ on the core of an electromagnet, the _______ the magnetism. | Winds and Stronger |
| Materials that allow the flow of electric current are ________. | Conductors |
| Materials that do NOT allow the flow of electric current are ________. | Insulators |
| All _______ are conductors. | Metals |
| Metals that are covered with an _________ such as paint, WILL NOT conduct _________. | Insulator and Electricity |
| A circuit with only one pathway for current flow is a _______ _______ . (One BIG Circle) | Series Circuit |
| A _______ is one part of a circuit system. For example, a d-cell and a light bulb are this. | Component |
| Components in a series circut "______" the energy source. | Share |
| D-cells in a series circuit must be oriented in the same ________. | Direction |
| A ________ ________ splits into two or more pathways before coming together at the battery. | Parallel Circuit |
| Components in a parallel circut each have a _____ pathway to the energy source. | Single |
| A single d-cell can run ____ components when they are in a parallel circuit. | Two |
| The ____ is a source of electric energy. | D-cell |
| A _______ refers to more than one cell, but most people use the words _______ and d-cell interchangeably. | Battery and Battery |
| The d-cell is an __________ ________. | Electrical Source |
| An _________ _______ is a component that uses electricity from the source to make something happen. | Electrical Receiver |
| A ______ ______ is an energy receiver that produces light. | Light Bulb |
| The _________ of a light bulb is the part that gets hot and produces light. | Filament |
| A _______ is a pathway for the flow of electricity. (Circle) | Circuit |
| The __________ are individual items in a circut. | Components |
| In order to make a complete circut, a circut needs a sour of electricity (the _______), a receiver (the _____ _____) and a path to get from one side to the other (_____). | D-cell, Light Bulb and Wires |
| To make a complete circuit, electricity must travel in a _______ from one end of the battery to the other. | Circle |
| A _______ ______ holds many components needed to build a circuit. | Circut Base |
| A ________ _____ is a metal clip that connects wires in a circuit. | Fahnestock Clip |
| A _______ is an energy receiver that produces motion. | Motor |
| A _______ is a device that opens an closes the circuit. | Switch |
| An _____ ________ is an incomplete circut through which electricity will NOT flow. | Open Circuit |
| A _______ ________ is a complete circuit through which electricity flows. | Closed Circuit |
| A ________ __________ is a way to represent a circut on a piece of paper. | Schematic Diagram |
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Science_Rocks_BAM