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| All atoms are made of what three things? |
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Definition
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| Neutrons have _____ charge. |
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Definition
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Term
| Electrons have a _________ charge. |
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Definition
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| Protons have a ____________ charge. |
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Term
| _______________ happens when electrons (which surround the atom) move. |
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Definition
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Term
| What are the two types of electricity? |
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Definition
| Static Electricity and Current Electricity |
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Term
| Static Electricity are when _________ move from an object or collect on an object. |
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Definition
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Term
| When an object has static electricity we say that the object is ELECTRICALLY ________________. |
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Definition
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Term
| Electrons eventually ______________. This can happen slowly (when a balloon sticking to the wall eventually falls) or quickly (like a shock when you touch a contuctor or a lightening strike) |
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Definition
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Term
| In current electricity, electrons flow from place to place by moving along __________. |
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Term
| _________________ are materials that allow electtrons to flow easily thrrough them. |
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Term
| Copper, aluminum, shteel and other metals, water are all examples of ______________. |
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Definition
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Term
| _________________ are materials that do not allow electrons to flow easily through them. |
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Definition
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Term
| Rubber, wood, plastic, cloth, and other non-metals are examples of ____________. |
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Definition
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Term
| Electricity can flow in a COMPLETE, CLOSED PATH called a ___________. |
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Definition
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Term
| What are the 3 main comonents of circuits? |
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Definition
1. Power source-a generator or a battery
2. Load-anything that you want to use the electricity
3. Path for electrons to flow (usually a wire) |
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Term
| Switches are often used in circuits. They allow us to ______________ the flow of electrons. |
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Definition
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Term
| Electricity can only flow when the circuit is ____________. |
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Definition
| Closed. If the circuit is open, electricity will not flow. |
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Term
| A magnet is anything that produces ________________. |
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Definition
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Term
| Magnets can __________ or __________ other magnetic objects. |
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Definition
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Term
| Like poles _______ (push away) and unlike poles ___________ (pull towards) each other. |
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Definition
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Term
| What are the 2 types of magnets? |
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Definition
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Term
| ________________ magnets are designed to keep their magnetism for a very long time. |
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Definition
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Term
| _______________ magnets can be badr from some baterials by rubbing a magnet across them. Doing this lines upthe magnetic domains within the object. |
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Definition
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Term
| Temporary magnets can _________________ when they are dropped or heated up. |
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Definition
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Term
| _________________ and magnetism are closely related. |
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Definition
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Term
| When electricity flows through a wire, a ____________________ is produced around the wire. |
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Definition
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Term
| By wrapping the wire around a conductor, like iron, an _________________________ can be made. |
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Definition
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Term
| An ___________________ is a type of temporary magnet. It is only magnetic while electricity is flowing through it. |
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Definition
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Term
| What kind of magnet is used to pick up scrap metal in a junkyard or in generating electricty? |
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Definition
| A temporary electromagnet |
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