Quiz about Spring Semester Final Reivew

Question 1

The bending of a wave around a barrier.

Accepted Answer

Diffraction

Answer

Reflection

Answer

Refraction

Answer

Medium

Answer

Rarefaction

Question 2

Occurs when a wave changes direction as it moves from one medium to another.

Accepted Answer

Refraction

Answer

Reflection

Answer

Diffraction

Answer

Medium

Answer

Rarefaction

Question 3

When a wave strikes a barrier and bounces off.

Accepted Answer

Reflection

Answer

Refraction

Answer

Diffraction

Answer

Medium

Answer

Rarefaction

Question 4

The number of crests that pass a point per unit of time (e.g. per second).

Accepted Answer

Frequency

Answer

Hertz

Answer

m/s

Answer

Decibels

Answer

Wavelength

Question 5

Using sound waves in order to locate objects (specifically underwater).

Accepted Answer

Sonar

Answer

Radar

Answer

Ultrasounds

Answer

Resonance

Answer

Acoustics

Question 6

Soundwaves that are at a frequency that is higher than human hearing.

Accepted Answer

Ultrasonic

Answer

Sonar

Answer

Radar

Answer

Resonance

Answer

Acoustics

Question 7

The phenomenon in which the motion of an object affects the frequency of a wave as it moves towards and away from a moving object.

Accepted Answer

Doppler Effect

Answer

Wave interfrerence

Answer

Standing Waves

Answer

Pitch

Answer

Decibels

Question 8

Which of these is NOT a longitudinal (compression) wave?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 9

Sounds can travel through all but which of the following?

Accepted Answer

Empty Space

Answer

Solids

Answer

Liquids

Answer

Gasses

Question 10

All types of waves transfer _______________

Accepted Answer

Energy

Answer

Matter

Answer

Molecules

Answer

Heat

Question 11

For a sound with a low pitch, what else is true?

Accepted Answer

Low Frequency

Answer

Low Amplitude

Answer

Low Wavelength

Answer

Low Wave velocity

Question 12

Jack hearing a radio around the corner from another room is an example of what?

Accepted Answer

Diffraction

Answer

Refraction

Answer

Resonance

Answer

Interference

Question 13

Which of the following has medical uses?

Accepted Answer

Ultrasonic waves

Answer

Acoustics

Answer

Doppler Radar

Answer

Sonar

Question 14

After a sound wave has passed through matter, the matter is usually ___ .

Accepted Answer

Left unchanged

Answer

Still moving

Answer

Permanently changed

Answer

Moved out of position

Question 15

Which letter is Amplitude?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Answer

E

Question 16

Which letter is wavelength?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Answer

E

Question 17

How many waves in the picture?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 18

In a ___ wave, the matter in the medium moves back and forth at right angles to the direction the wave travels.

Accepted Answer

Transverse

Answer

Sound

Answer

Compressional

Answer

Refractional

Question 19

Which of the following explains how bats find food and avoid obstacles in the dark?

Accepted Answer

Echolocation

Answer

Infrared Vision

Answer

Reverberation

Answer

Resonation

Question 20

Tesla envisioned switching from DC to _____.

Accepted Answer

AC

Answer

TC

Answer

NC

Answer

VC

Question 21

Alternating current needs  high _____________ to send electricity over large distances.

Accepted Answer

voltage

Answer

current

Answer

resistance

Answer

power lines

Question 22

What was the "new device" that Tesla created to step down voltage?

Accepted Answer

transformer

Answer

television

Answer

battery

Answer

solar panel

Question 23

The flow of electrons in a circuit.

Accepted Answer

current

Answer

voltage

Answer

resistance

Answer

insulator

Question 24

The accumulation of excess electric charge (electrons) on an object.

Accepted Answer

static electricity

Answer

current

Answer

voltage

Answer

resistance

Question 25

The "push" of electrons through a circuit.

Accepted Answer

voltage

Answer

resistance

Answer

current

Answer

static electricity

Question 26

A light bulb filament is a good _____________.

Accepted Answer

resistor

Answer

insulator

Answer

conductor

Answer

voltage source

Question 27

Copper metal is a good ____________

Accepted Answer

conductor

Answer

insulator

Answer

resistor

Answer

voltage source

Question 28

The vinyl coating on a wire is a good _____________.

Accepted Answer

insulator

Answer

conductor

Answer

resistor

Answer

voltage source

Question 29

A device that interrupts electrical current in our homes.  This device contains a metal that melts because of excess current. This device cannot be reused.

Accepted Answer

fuse

Answer

battery

Answer

resistor

Answer

circuit breaker

Question 30

A device that interrupts electrical current in our homes.  This device contains a metal that bends because of excess current.  This device can be reused.

Accepted Answer

circuit breaker

Answer

battery

Answer

fuse

Answer

resistor

Question 31

A path for electrons to follow.

Accepted Answer

circuit

Answer

resistor

Answer

insulator

Answer

battery

Question 32

Which of the following would make a good conductor?

Accepted Answer

copper

Answer

fiberglass

Answer

wood

Answer

rubber

Question 33

Which of the following would make a good insulator?

Accepted Answer

plastic

Answer

copper

Answer

carbon

Answer

aluminum

Question 34

Which of the following would make a good resistor?

Accepted Answer

tungsten

Answer

aluminum

Answer

copper

Answer

silver

Question 35

Tendency for a material to oppose (not stop) the flow of electrons.

Accepted Answer

resistance

Answer

insulate

Answer

voltage

Answer

amps

Question 36

A car battery is an example of a ____________.

Accepted Answer

wet cell

Answer

dry cell

Question 37

A "D" cell battery is an example of a _____________.

Accepted Answer

dry cell

Answer

wet cell

Question 38

The circuit on the left is a ____________ circuit.

Accepted Answer

parallel

Answer

series

Question 39

The circuit on the right is a ____________ circuit.

Accepted Answer

series

Answer

parallel

Question 40

A grouping of atoms that have their magnetic fields aligned.

Accepted Answer

Magnetic domains

Answer

Electrical field

Answer

Photons

Answer

Radiant energy

Question 41

The ends of a magnetic object, where the magnetic force is strongest.

Accepted Answer

Poles

Answer

Radiant energy

Answer

Magnetic domain

Answer

Photovoltaic cells

Question 42

Energy carried by an electromagnetic wave.

Accepted Answer

Radiant

Answer

Color

Answer

Magnetism

Answer

Compression

Question 43

A magnet that retains its magnetic properties in the absence of an inducing field or current.

Accepted Answer

Permanent

Answer

Electrical

Answer

Temporary

Answer

Intermittent

Question 44

Magnetism is generated by moving _________.

Accepted Answer

Electrons

Answer

Arms

Answer

Neutrons

Answer

Elements

Question 45

What is responsible for the Magnetic Field around Earth?

Accepted Answer

The Earth's molten iron core

Answer

The Earth's crust

Answer

The Earth's mantle

Answer

The Sun

Question 46

The earth's magnetic field protects us from ____________.

Accepted Answer

Solar radiation

Answer

The heat of the sun

Answer

Tsunamis

Answer

Earthquakes

Question 47

In un-magnetized materials the domains are __________ aligned.

Accepted Answer

Randomly

Answer

Super

Answer

Slightly

Answer

Always

Question 48

How can a wire become magnetic?

Accepted Answer

Run a current through it

Answer

Point it north

Answer

Add a resistor

Answer

Heat it up

Question 49

Which of the following make good magnets.  Choose all that apply.

Accepted Answer

Iron

Accepted Answer

Nickel

Answer

Carbon

Answer

Gold

Question 50

Iron nail, wire, battery

Accepted Answer

Electromagnet

Answer

Computer

Answer

Galvanometer

Answer

Electric motor

Question 51

Changes electrical energy into mechanical energy.

Accepted Answer

Motor

Answer

Galvanometer

Answer

Battery

Answer

Generator

Question 52

Current that flows in one direction through a wire.

Accepted Answer

Direct

Answer

Alternating

Answer

Variable

Answer

Oscillating

Question 53

A device that increases or decreases the voltage of alternating current.

Accepted Answer

Transformer

Answer

Computer

Answer

Galvanometer

Answer

Electromagnet

Question 54

How can a magnet lose its magnetic properties?  Choose all that apply.

Accepted Answer

Dropping

Accepted Answer

Heating

Answer

Applying  acid

Answer

Freezing

Question 55

How can you increase the strength of an electromagnet?  Choose all that apply.

Accepted Answer

More wire turns

Accepted Answer

More voltage

Answer

Increase the temperature

Answer

You cannot increase the strength of an electromagnet

Question 56

In a transformer, the secondary coil has less wire turns than the primary coil.  This will ______________.

Accepted Answer

Step down the voltage

Answer

Not change the voltage

Answer

Step up the voltage

Question 57

Which has the LONGEST wavelength and, therefore, the lowest frequency/energy?

Accepted Answer

Radio Waves

Answer

Gamma Rays

Answer

Visible Light

Answer

Infrared rays

Question 58

Put the visible light colors in order from longest wavelength to shortest wavelength.

Accepted Answer

Red, Orange, Yellow, Green, Blue, Indigo, Violet

Answer

Violet, Indigo, Blue, Green, Orange, Yellow, Red

Answer

Red, Yellow, Green, Orange, Violet, Blue, Indigo

Answer

Violet, Blue, Orange, Yellow, Green, Orange, Red

Question 59

Select the correct order of waves on the Electromagnetic Spectrum (going from longest wavelength to smallest).

Accepted Answer

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

Answer

Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

Answer

Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

Answer

Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

Question 60

If the wavelength of an electromagnetic wave is longer, what is true about the energy?

Accepted Answer

Energy is lower

Answer

Energy is higher

Answer

Energy is not related to WL

Answer

Energy is cancelled out

Question 61

Which of the following electromagnetic waves is given off as heat?

Accepted Answer

infrared rays

Answer

ultraviolet light

Answer

gamma rays

Answer

radio waves

Question 62

Which EM wave is used for TV remote controls?

Accepted Answer

Infrared

Answer

Visible Light

Answer

X - Rays

Answer

UV Light

Question 63

Which EM wave is used for cell phones?

Accepted Answer

Microwaves

Answer

Infrared

Answer

Radio

Answer

UV

Question 64

The color with the lowest energy.

Accepted Answer

Red

Answer

Blue

Answer

Orange

Answer

violet

Spring Semester Final Reivew

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