Test: Chapters 6, 7, and 9

positive

negative

neutral

coulombs

What is the unit for charge?

electric force

What holds protons together within the nucleus of an atom?

ground

arcing

What causes an electric charge and charges to move?

Van de Graff

electricity

What is the symbol for ground?

Why aren't birds electrocuted when they land on an electrical wire?

Two objects are charged, but don't arc. Why?

How is lightening formed?

static electricity

electroscope

open circuit

closed circuit

circuit diagram

voltage

current

resistance

wires

battery

resistor

light bulb

switch

What particles carry current?

alternating current

Does the current in a battery alternate?

direct current

When is alternating current generally used?

What is energy measured in?

What is voltage related to?

Why are electrical wires made out of copper?

When does the voltage in a circuit decrease?

Do all batteries have the same voltage?

What is the difference between different types of batteries?

What elements are used to make rechargeable batteries?

Amps

What is current measured in?

Ohms

What is resistance measured in?

conductor

What are examples of conductors?

insulator

What are some examples of insulators?

semiconductors

Why does wiring in homes have an insulator wrapped around it?

What is the role of Argon in a light bulb?

Why is tungsten used in light bulbs?

series circuit

parallel circuit

What type of circuits are commonly used in homes?

What are advantages to using parallel circuits in homes?

What happens when to many things are plugged into one outlet?

short circuit

fuses / circuit breakers

How much current is allowed to flow through a circuit breaker without it stopping the current?