Show:
Static Electicity
Batteries
Circuits
Magnets
Uses of Magnets
100
Material that allows electrons to move easily through it.
What is a conductor
100
Type of current where electric charge flows in a constant direction
What is DC or direct current
100
Type of circuit where if one light bulb goes out - they all go out
What is series circuit
100
Place where magnetic forces are the strongest
What is at the poles
100
Device used to convert electric energy into mechanical energy
What is a motor
200
Material that does NOT allow electrons to move easily through it.
What is an insulator
200
Type of current where the flow of electric charge consistently changes direction
What is AC or alternating current
200
Type of circuit where if one light bulb goes out - the remaining bulbs stay lit
What is parallel circuit
200
Explain what happens when two north poles are brought together vs. when a north and south pole are brought together.
What is like repel, opposite attract
200
Device used to convert mechanical energy into electrical energy
What is a generator
300
When charge is transferred by rubbing objects together
What is charging by friction
300
Household batteries like AA, AAA, C, and D are what type of battery
What is dry cell
300
Type of circuit found in home wiring
What is parallel circuit
300
Regions within a magnet where the atoms are aligned
What is magnetic domains
300
Type of transformer where the secondary coil has more turns than the primary coil
What is a step up transformer
400
When charge is transferred by touching something
What is conduction
400
Car batteries are an example of what type of battery
What is wet cell
400
A safety feature where metal melts when it gets too hot to break the circuit
What is a fuse
400
Describe what will happen to the North and south poles of a magnet if it is broken
What is a new north and south pole will form on each piece of the magnet
400
Name two ways to increase the power of an electromagnet
What is increase the voltage, increase the number of turns
500
When charge is transferred by bringing a charged object near another object.
What is induction
500
Batteries are devices used to maintain what
What is a potential difference
500
Type of safety feature where a metallic strip bends when it gets hot to break the circuit.
What is a circuit breaker
500
Explain how a temporary magnet can be made
What is domains are aligned either by stroking with a permanent magnet or formation of an electromagnet
500
Name three types of meters and what they tell
What is galvanometer - detects current, ammeter - measures current, voltmeter - measures voltage or potential difference