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Physical Science > Chapter 19 Vocabulary > Flashcards

Chapter 19 Vocabulary Flashcards

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Biology 101 flashcards
0
Q

The region of magnetic force around a magnet is know as its

A

Magnetic field

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1
Q

This is the area of a magnet where the magnetic effect is strongest

A

Magnetic pole

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2
Q

They map out the magnetic field around a magnet

A

Magnetic field lines

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3
Q

Electrons and protons have a property called

A

Electric charge

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4
Q

An electric current produces a

A

Magnetic field

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5
Q

The flow of charge through a material

A

Electric current

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6
Q

A material in which charges are not able to move freely(because their electrons are bound tightly to their atoms)

A

Insulators

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7
Q

A complete path through which electric charges can flow

A

Electric circuit

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8
Q

Uses electrical energy as it interferes with,or resists, the flow of charge

A

Resistor

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9
Q

A current carrying coil of wire with many loops is a

A

Solenoid

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10
Q

A solenoid with a ferromagnetic core is a

A

Electromagnet

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11
Q

Magnet poles that are alike____each other

A

Repel

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12
Q

The magnetic properties of a material depend on the structure of its

A

Atoms

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13
Q

The buildup of charges on an object is

A

Static electricity

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14
Q

The transfer of electrons from a charged object to another object by direct contact is

A

Conduction

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15
Q

The movement of electrons to one part of an object caused by the electric field of another object is

A

Induction

16
Q

The loss of static electricity as electric charges move off an object is called

A

Static discharge

17
Q

It creates a potential difference in an electric circuit. It has two terminals(battery)

A

Voltage

18
Q

States that resistance is equal to the voltage divided by the current

A

Ohm’s law

19
Q

A connection that allows current to take an unintended path is a

A

Short circuit

20
Q

The transfer of electrons from one object to another by rubbing

A

Friction

21
Q

An electric current will always follow the path of____resistance

A

Least

22
Q

There is only one path for the current to take

A

Series circuit

23
Q

There are several paths for the current to take

A

Parallel circuit

24
Q

A current consisting of charges that move back and forth in a circuit is an

A

Alternating current

25
Q

A current consisting of charges that flow in one direction only is called a

A

Direct current (battery)

26
Q

Converts mechanical energy into electrical energy

A

Electric generator

27
Q

Uses an electric current to produce motion

A

Electric motor

Physical Science (6 decks)

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