Caledonia's 3rd & 4th Grade Electricity Review
Terms
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- electron
- What part of the atom has a negative charge?
- grounded
- If something has a pathway for static charges to flow to earth, it is ____________.
- static electricity
- Electrons that are moving from one place to another place rather than ones that flow in a current is called __________ _____________.
- iron
- Examples of conductors are: copper, silver, steel, ______, gold, aluminum or any other type of metal.
- magnet
- Any object that can exert a force on iron or steel without touching it is a _____________.
- proton
- What part of the atom has a positive charge?
- battery
- A __________ is a combination of two or more cells electrically connected to work together to produce electric energy.
- conductor
- A _______________ is a material through which electrons can flow easily.
- insulator
- An ______________ stops or makes the flow difficult.
- closed circuit
- A complete pathway for the flow of electricity is a definition of a ___________ ____________.
- plastic
- Two examples of insulators are: cotton, _________, wood or most non-metals.
- copper
- What type of wire is used for most electrical wiring?
- switch
- A control on the flow of electricity is called a ___________.
- copper
- Examples of conductors are: _________, silver, steel, iron, gold, aluminum, or any other type of metal.
- attracted
- If one object is positively charged and the other is negatively charged, they will be ____________ to each other.
- parallel circuit
- A ___________ _____________ is a type of circuit used for the appliances in your house.
- silver
- Examples of conductors are: copper, ________, steel, iron, gold, aluminum or any other type of metal.
- neutron
- What part of an atom has a neutral charge?
- parallel circuit
- A ___________ ____________ has more than one pathway for the flow of electricity.
- series
- What type of circuit is found in old Christmas tree lights?
- static discharge
- What type of electricity is lightning?
- meter
- A __________ is a device in your home that measures electricity use.
- repel
- If two objects are positively charged, they will ________ each other.
- circuit breaker
- A ___________ ______________ is an automatic switch in an electrical box that automatically breaks a circuit when electric wires carry too much current.
- electromagnet
- A coil of wire is wound around an iron core. When current flows through the coil, it creates a magnetic core. This is an example of how an ________________ works.
- cotton
- Two examples of insulators are: _________, plastic, wood or most non-metals.
- short circuit
- A ________ ____________ is a current that continues to heat an unconnected wire.
- current electricity
- The definition of ____________ _____________ is the flow of electrons through a material.
- series circuit
- A __________ _____________ only has one pathway for the flow of electricity.