Conductors & Insulators CircuitsMagnetism Trans- formation

Question Column Materials that allow thermal or electrical energy to easily pass through them are called _______________

Answer Column Conductors

Question Column Conduction is energy transfer because two objects are ______________.

Answer Column Touching

Question Column Materials that do not allow thermal energy to pass through them easily are called _______________.

Answer Column Insulators

Question Column Name an example of an insulator.

Answer Column Rubber Plastic Wood Paper Glass

Question Column Which of the following items would you predict to be conductors – eraser, spoon, silver earring, popsicle stick, battery.

Answer Column spoon silver earring battery

Question Column Is the circuit below open or closed? How do you know?

Answer Column Open

Question Column A device that can open or close a circuit by lifting the arm is called a…

Answer Column Switch

Question Column What could be done to fix this circuit?

Answer Column Add a switch to connect the wires

Question Column How could I use the a light bulb, battery and two wires to light a light bulb?

Answer Column Connect

Question Column Is the circuit open or closed? How do you know?

Answer Column The circuit is open because it is incomplete- the switch isn’t closed.

Question Column What is magnetism?

Answer Column The force around a magnet

Question Column In class we wrapped a wire around a nail and noticed the nail attracted a paperclip. What force held this together?

Answer Column Magnetic force

Question Column What is an electromagnet?

Answer Column Something that is made temporarily magnetic by an electrical current

Question Column What happens if you put a N pole of one magnet near the S pole of another magnet?

Answer Column They attract each other and stick together

Question Column Why does a compass needle move when placed near a wire connected battery?

Answer Column Electricity flows through the wire, creating a magnetic force

Question Column Identify the type of energy found in a battery.

Answer Column Chemical

Question Column Identify the type of energy when electrons are in motion. (found in a wire)

Answer Column Electrical energy

Question Column List the energy transformations that takes place in the simple circuits that we created in class.

Answer Column Chemical energy to electrical energy to thermal energy to light energy.

Question Column Describe the energy transformation that occurs when a door bell rings.

Answer Column Chemical energy to electrical energy to electromagnetic energy to mechanical (motion) energy to sound energy

Question Column What kind of energy is transferred when a cord is plugged into a wall to power my hair dryer?

Answer Column Electrical energy to thermal energy

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Answer Column 5-100

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Question Column 5-500

Answer Column 5-500