Electricity and Magnetism Jeopardy
Electricity Vocab. Electric Circuits Conductors /Insulators Grab Bag Magnetism 100 100 100 200 200 200 300 300 300 400 400 400 500 500 500
Electricity 100 What is a flow of electric charges called?
Electricity 100 Electric current
Electricity 200 For matter to be electrically neutral, there must be an _______ number of protons and electrons.
Electricity 200 equal
Electricity 300 The electrons in a current of electricity are ______ in ______ direction and have a _______ charge.
Electricity 300 Constantly moving; one; negative
Electricity 400 What is the area around electric charges where electric forces can act?
Electricity 400 Electric field
Electricity 500 What is static electricity?
Electricity 500 The buildup of electric charges in one place.
Vocab. 100 What is the electric or magnetic force that draws oppositely charged bodies together?
Vocab. 100 attraction
Vocab. 200 What is the tendency of particles of the same charge to separate?
Vocab. 200 repulsion
Vocab. 300 What is a continuous pathway that can carry an electric current?
Vocab. 300 electric circuit
Vocab. 400 Name the 3 particles found in an atom and their charges.
Vocab. 400 Proton – positive (+) Electron – negative (-) Neutron - neutral
Vocab. 500 What is a short circuit?
Vocab. 500 A flaw in a circuit that allows a large current to flow through where it isn’t wanted.
Electric Circuits 100 What do you need to make a simple electric circuit?
Electric Circuits 100 A wire, a light bulb, and an energy source (battery)
Electric Circuits 200 A circuit must be ______ in order for an electrical device to operate properly.
Electric Circuit 200 Unbroken
Electric Circuits 300 A student added another light bulb to a circuit and all the lights remained the same brightness. What is the most likely reason for this?
Electric Circuits 300 The circuit is a parallel circuit.
Electric Circuits 400 What happens when light bulbs are added to a series circuit?
Electric Circuits 400 The other light bulbs become dimmer.
Electric Circuits 500 Electrical energy can be converted to light or heat by placing a ______ in an electric circuit.
Electric Circuits 500 Resistor
Conductors/Insulators 100 Name 2 examples of conductors.
Conductors/Insulators 100 Examples: copper wire, metal, aluminum foil, penny
Conductors/Insulators 200 Name 2 examples of insulators.
Conductors/Insulators 200 Examples: Plastics, rubber tubing, wood, and cotton cloth
Conductors/Insulators 300 Because negative charges move easily through them, we use ____ in electric circuits.
Conductors/Insulators 300 conductors
Conductors/Insulators 400 Because negative charges do not move easily through them, we use _______ to protect ourselves.
Conductors/Insulators 400 insulators
Conductors/Insulators 500 What kind of material should you choose if you want to stop the flow of an electrical current?
Conductors/Insulators 500 An insulator
Grab Bag 100 One burned-out bulb causes all of the lights to fail in a circuit. What type of circuit might this be?
Grab Bag 100 A series circuit
Grab Bag 200 What happens when you bring a magnet near a compass?
Grab Bag 200 The compass’s magnetic field is disturbed and the end of the compass needle follows the magnet.
Grab Bag 300 What is the difference between a parallel circuit and a series circuit?
Grab Bag 300 A parallel circuit has 2 or more paths for current. A series circuit has only one path for current.
Grab Bag 400 What particles are located in the nucleus of an atom?
Grab Bag 400 Protons and neutrons
Grab Bag 500 Rubber is to insulator as steel is to _____.
Grab Bag 500 conductor
Magnetism 100 When you move further away from a magnet, what happens to its magnetic field?
Magnetism 100 It becomes weaker.
Magnetism 200 What materials are necessary to make an electromagnet?
Magnetism 200 Insulated wire, an iron bar (nail), and a battery
Magnetism 300 Name 3 examples of electromagnets.
Magnetism 300 Examples: electric motor, doorbell, headphones, roller coaster, power windows in a car, washing machine
Magnetism 400 True or False: An electromagnet can be turned on and off.
Magnetism 400 True (An electromagnet is a temporary magnet. )
Magnetism 500 Name one way to increase the strength of an electromagnet.
Magnetism 500 1. Increase # and tightness of coils 2. Increase electric current by adding more batteries or using battery with a higher voltage