Chapter 7 Electricity
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Chapter 7 quiz - electricity
- 1.PAtoms contain particles called (select 3 answers)
- A.
Static
- B.
Protons
- C.
Particles
- D.
Neutrons
- E.
Electrons
- 2.2 types of electron charges
- A.
Protons have negative electric charge
- B.
Protons have a positive electric charge
- C.
Electrons have negative electric charge
- D.
Electrons have positive electric charge
- E.
Protons and electrons have a neutral charge
- 3.Transferring charge (select two answers)
- A.
Charge is neither created nor destroyed
- B.
The accumulation of excess electric charge on an object is called static electricity
- C.
An electric field surrounds every electric charge and exerts the force that causes other electric charges to be attracted or repelled
- D.
Electrons are bound more tightly to some atoms and molecules
- E.
Any charge that is placed in an electric field will be pushed or pulled by the field
- 4.
- A.
Electrons are bound more tightly to some atoms and molecules
- B.
Any charge that is placed in an electric field will be pushed or pulled by the field
- C.
Whenever an object becomes charged, electric charges have moved from one place to another.
- D.
Protons and electrons have electric charges and neutrons do not
- E.
Whenever an object becomes charged, electric charges have moved from one place to another
- 5.T or F Protons and electrons have electric charges and neutrons do not.
- A.
True
- B.
False
- 6.Protons have _______ electric charge.
- A.
Positive
- B.
Negative
- 7.Electrons have _____ electric charges.
- A.
Positive
- B.
Negative
- 8.Electrons are bound more tightly to some ____ and ______.
- A.
Protons, neutrons
- B.
Atoms, electrons
- C.
Electrons, protons
- D.
Protons, molecules
- E.
Atoms, molecules
- 9.The accumulation of excess electric charge on an object is called _____ ______.
- A.
Electric charges
- B.
Static electricity
- C.
Electric field
- D.
Law of conservation
- E.
Repelled charges
- 10.Charge is created then destroyedT or F
- A.
True
- B.
False
- 11.Charge can be transferred from object to object
- A.
Electric charges
- B.
Law of Ohms
- C.
Static electricity
- D.
Law of conservation
- E.
Electric field
- 12.T or FAn electric field surrounds every electric charge an exerts the force that causes other electric charges to be attracted or repelled.
- A.
True
- B.
False
- 13.T or FAny charge that is placed in an electric field will be pushed but not pulled by the field.
- A.
True
- B.
False
- 14.Large static discharge
- A.
Grounding
- B.
Detecting electric charge
- C.
Lightning
- D.
Thunder
- 15.Not only does _____ produce a brilliant flash of light, it also generates power sound waves.
- A.
Electricity, thunder
- B.
Lightning,electricity
- C.
Thunder,lightning
- D.
Lightning,thunder
- 16.A static discharge is a transfer of charge between two objects because of a buildup of ____ _____ causing ____.
- A.
Static electricity, lightning
- B.
Electric charge, lightning
- C.
Conductor charge, lightning
- D.
Static electricity, thunder
- 17.A discharge can occur anytime that charge builds up in one area.
- A.
Detecting electric charge
- B.
Protons
- C.
Electrons
- D.
Lightning
- E.
Grounding
- 18.The presence of electric charge can be detected by an electoscope.
- A.
Grounding
- B.
Thunder
- C.
Lightning
- D.
Detecting electric charge
- 19.Connecting an object to earth with a conductor.
- A.
Lightning
- B.
Thunder
- C.
Grounding
- D.
Detecting electric charge
- 20.A material in which electrons are nto able to move easily.
- A.
Conductors
- B.
Gravitational force
- C.
Thunder
- D.
Insulator
- 21.All atoms are held together by
- A.
Electrical force
- B.
Conductors
- C.
Transfer of electrons
- D.
Distance
- 22.Electrical forces
- A.
A material in which electrons are able to move easily.
- B.
Rubbing two materials together.
- C.
The rearrangement of electrons on a neutral object caused by a nearby charged object.
- D.
Protons and electrons that are tremendously large than the gravitational force between the same particles.
- 23.A material in which electrons are able to move easily.
- A.
Gravitational force
- B.
Electric force
- C.
Conductor
- D.
Insulator
- E.
Induction
- 24.Metals
- A.
Conductors
- B.
Insulators
- C.
Grounding
- 25.Plastics
- A.
Conductors
- B.
Insulators
- C.
Grounding
- 26.T or FRubbing two materials together can result in a transfer of protons.
- A.
True
- B.
False
- 27.What happens to material rubbed together?
- A.
Static electricity
- B.
One material is left with a negative charge and the other with a less amount of positive charge.
- C.
One material is left with a positive charge and the other with a less amount of negative charge.
- D.
One material is left with a positive charge and the other with an equal amount of negative charges.
- 28.The process of transferring charge by touching or rubbing is called.
- A.
Charging by contact
- B.
Static electricity
- C.
Charging by distance
- D.
Gravitational forces
- 29.Because electrical forces act at a ______, charged objects brought near a _____ object will cause _____ to rearrange their position on the _____ object.
- A.
Neutral, electrons, distance, neutral
- B.
Electrons, distance, neutral, neutral
- C.
Distance, neutral, electrons, neutral
- D.
Electrons, neutral, distance, neutral
- 30.The rearrangement of electrons on a neutral object caused by a nearby charged object is called
- A.
Static electricity
- B.
Thunder
- C.
Charging objects
- D.
Charging by contact
- E.
Charging by induction
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