Quiz about Waves, Electricity and Magnetism Review

Question 1

The diagram below represents several forms of electromagnetic energy. Each member of the electromagnetic spectrum has a different wavelength and - ?

Accepted Answer

frequency

Answer

smell

Answer

elasticity

Answer

taste

Question 2

Which form of energy are x rays and ultraviolet light?

Accepted Answer

electromagnetic

Answer

green

Answer

mechanical

Answer

chemical

Question 3

Sound will not travel in a

Accepted Answer

the vacuum of space

Answer

solid

Answer

gas

Answer

liquid

Question 4

An object viewed through a pane of glass can be seen but appears unclear. The pane of glass must be...

Accepted Answer

translucent

Answer

transparent

Answer

opaque

Answer

black

Question 5

Which of the following are found near the middle of the electromagnetic spectrum?

Accepted Answer

visible light waves

Answer

gamma rays

Answer

radio waves

Answer

microwaves

Question 6

___ have the highest frequency and the shortest wavelength.

Accepted Answer

Gamma rays

Answer

Television waves

Answer

Microwaves

Answer

Ultraviolet waves

Question 7

What kind of mirror produces a reflection larger than the original object?

Accepted Answer

convex

Answer

concave

Answer

irregular

Answer

plane

Question 8

What determines the color of an opaque object?

Accepted Answer

the color it reflects

Answer

the color it refracts

Answer

the color it transmits

Answer

the color it absorbs

Question 9

When placed in direct sunlight, which object will absorb the most energy from the sun?

Accepted Answer

d. a black sweater

Answer

a. a piece of clear glass

Answer

b. a snowball

Answer

c. a shiny mirror

Question 10

Numbers 1, 2, 3, and 4 represent locations on a bar magnet. Which location has the greatest magnetic force?

Accepted Answer

d. 4

Answer

a. 1

Answer

b. 2

Answer

c. 3

Question 11

The south pole of a magnet ____.

Accepted Answer

c. attracts a north pole

Answer

a. attracts another south pole

Answer

b. repels a paper clip

Answer

d. repels a north pole

Question 12

The region around a magnet where the magnetic forces act is the ____.

Accepted Answer

c. magnetic field

Answer

a. electromagnetic pole

Answer

b. magnetic domain

Answer

d. magnetic pole

Question 13

The atoms in a magnet are ____.

Accepted Answer

b. lined up in domains

Answer

a. arranged randomly

Answer

c. negatively charged

Answer

d. positively charged

Question 14

The aurora (Northern or Southern Lights) are seen mainly ____.

Accepted Answer

b. near the magnetic poles

Answer

a. at the equator

Answer

c. over oceans

Answer

d. on high mountains

Question 15

Particles in the solar wind react with ____ in the atmosphere to produce the aurora.

Accepted Answer

d. gases

Answer

a. clouds

Answer

b. water vapor

Answer

c. pollution

Question 16

An electromagnet is ____.

Accepted Answer

d. only operating when the current is on

Answer

a. a permanent magnet

Answer

b. made with bar magnets

Answer

c. attracts all metal substances

Question 17

A current carrying wire wrapped around an iron core is called a(n) ____.

Accepted Answer

electromagnet

Answer

generator

Answer

transducer

Answer

transformer

Question 18

A current that reverses direction in a regular pattern is called a(n) ____.

Accepted Answer

alternating current

Answer

circuit current

Answer

direct current

Answer

magnetic current

Question 19

The diagram below shows a game where players try to move a metal needle through three metal paper clips without letting the needle touch the clips. A bulb lights when the needle touches a paper clip, signaling that the player has lost. Why does the bulb light when the needle touches a paper clip?

Accepted Answer

A circuit is completed.

Answer

Convection cells are produced.

Answer

Vibrations set up wavelike disturbances.

Answer

A phase change occurs.

Question 20

A boy pulls a sweater off over his head. His hair is attracted to the sweater due to

Accepted Answer

a static charge

Answer

a bad hair day

Answer

a heat transfer

Answer

a chemical change

Question 21

Normally, atoms are electrically neutral because there are ____.

Accepted Answer

equal numbers of protons and electrons

Answer

more protons than electrons

Answer

more electrons than protons

Answer

equal numbers of protons and neutrons

Question 22

A material through which electrons do NOT easily flow is a(n) ___.

Accepted Answer

insulator

Answer

conductor

Answer

fuse

Answer

transformer

Question 23

Two objects will attract one another when they have ___.

Accepted Answer

unlike charges

Answer

like charges

Answer

the same amount of charge

Answer

no charge

Question 24

An electric field gets stronger as you ___.

Accepted Answer

get closer to a charge

Answer

get farther away from a charge

Answer

increase the protons

Answer

increase the neutrons

Question 25

The steady flow of electrons through a conductor is ___.

Accepted Answer

an electric current

Answer

a circuit

Answer

an insulator

Answer

resistance

Question 26

A path created for a current that allows only one route for the current is called a ___.

Accepted Answer

series circuit

Answer

parallel circuit

Answer

broken circuit

Answer

long circuit

Question 27

Which of the following is a device designed to stop the flow of electricity in an overloaded circuit to prevent overheating?

Accepted Answer

circuit breaker

Answer

conductor

Answer

resistor

Answer

insulator

Question 28

A circuit that has two or more separate paths for electrons to follow is a(n) ___.

Accepted Answer

parallel circuit

Answer

circuit breaker

Answer

electron circuit

Answer

series circuit

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