Quiz about Phys Sci Qtr 4 - Test 3: Electricity, Magnetism, & Sensing Waves

Question 1

What happens to a wave when it meets a surface or boundary?

Accepted Answer

It bounces back

Answer

It disappears

Answer

It speeds up

Answer

It changes color

Question 2

What is diffraction?

Accepted Answer

Bending of waves around an edge

Answer

Bouncing back of waves

Answer

Change in wave speed

Answer

Combining of waves

Question 3

What is the Doppler Effect?

Accepted Answer

Change in the observed frequency of a wave

Answer

Change in wave speed

Answer

Bending of light

Answer

Reflection of sound waves

Question 4

What type of wave is sound?

Accepted Answer

Longitudinal wave

Answer

Transverse wave

Answer

Surface wave

Answer

Electromagnetic wave

Question 5

What is constructive interference?

Accepted Answer

Waves combine to form a higher amplitude

Answer

Waves cancel each other out

Answer

Waves bend around corners

Answer

Waves reflect off surfaces

Question 6

What is the role of the cochlea in hearing?

Accepted Answer

Converts sound waves into nerve impulses

Answer

Amplifies sound

Answer

Transmits sound to the brain

Answer

Filters out background noise

Question 7

What type of lens is a magnifying glass?

Accepted Answer

Convex lens

Answer

Concave lens

Answer

Flat lens

Answer

Biconcave lens

Question 8

What is the primary function of the outer ear?

Accepted Answer

Directing sound waves to the eardrum

Answer

Amplifying sound

Answer

Transmitting sound to the brain

Answer

Filtering sound

Question 9

What is the phenomenon called when light bends as it passes through different mediums?

Accepted Answer

Refraction

Answer

Reflection

Answer

Diffraction

Answer

Interference

Question 10

What is the unit of frequency?

Accepted Answer

Hertz

Answer

Decibel

Answer

Meter

Answer

Second

Question 11

What happens to light when it passes through a prism?

Accepted Answer

It disperses into colors

Answer

It reflects

Answer

It absorbs

Answer

It speeds up

Question 12

What is the main purpose of sonar?

Accepted Answer

To determine distances and locate objects

Answer

To amplify sound

Answer

To create images

Answer

To measure sound intensity

Question 13

What is the role of rods and cones in the eye?

Accepted Answer

To detect light and color

Answer

To focus light

Answer

To transmit sound

Answer

To amplify images

Question 14

What is the relationship between intensity and amplitude of a sound wave?

Accepted Answer

Higher amplitude means higher intensity

Answer

Intensity is independent of amplitude

Answer

Lower amplitude means higher intensity

Answer

They are inversely related

Question 15

What is wave-particle duality?

Accepted Answer

The ability of light to act sometimes as a wave and sometimes as a particle

Answer

A type of mirror reflection

Answer

A method of sound transmission

Answer

A way of measuring wave frequency

Question 16

What determines the pitch of a sound?

Accepted Answer

Wave frequency

Answer

Wave amplitude

Answer

Wave speed

Answer

Wave length

Question 17

What is the range of human hearing?

Accepted Answer

20 Hz to 20,000 Hz

Answer

10 Hz to 10,000 Hz

Answer

5 Hz to 5,000 Hz

Answer

50 Hz to 50,000 Hz

Question 18

What causes the sensation of color in human perception?

Accepted Answer

The wavelength of light reflected by an object

Answer

The intensity of light

Answer

The speed of light

Answer

The temperature of light

Question 19

What percentage of the sun's energy is emitted as UV rays?

Accepted Answer

9%

Answer

5%

Answer

15%

Answer

20%

Question 20

Which part of the ear first receives sound waves?

Accepted Answer

Pinna

Answer

Cochlea

Answer

Eardrum

Answer

Semicircular canals

Question 21

What is resonance?

Accepted Answer

When two objects naturally vibrate at the same frequency

Answer

A type of wave reflection

Answer

When two objects vibrate at different frequencies

Answer

A method of sound absorption

Question 22

What determines the loudness of a sound?

Accepted Answer

Amplitude

Answer

Wavelength

Answer

Frequency

Answer

Speed

Question 23

What type of lens bs light inward?

Accepted Answer

Convex lens

Answer

Concave lens

Answer

Diverging lens

Answer

Flat lens

Question 24

Which cranial nerve carries hearing signals to the brain?

Accepted Answer

Cranial Nerve VIII

Answer

Cranial Nerve II

Answer

Cranial Nerve VII

Answer

Cranial Nerve X

Question 25

What is # 3 in the diagram?

Accepted Answer

Tympanic membrane

Answer

Ear canal

Answer

Incus

Answer

Stapes

Answer

Malleus

Question 26

What is # 4 in the diagram?

Accepted Answer

Malleus

Answer

Ear canal

Answer

Tympanic membrane

Answer

Incus

Answer

Stapes

Question 27

What is # 9 in the diagram?

Accepted Answer

Cochlea

Answer

Ear canal

Answer

Tympanic membrane

Answer

Incus

Answer

Stapes

Question 28

What is # 10 in the diagram?

Accepted Answer

vestibulocochlear nerve (CN VIII)

Answer

Ear canal

Answer

Tympanic membrane

Answer

Incus

Answer

Stapes

Question 29

What do rods detect in the eye?

Accepted Answer

Black and white light

Answer

Color

Answer

Movement

Answer

Depth perception

Question 30

What cranial nerve transmits visual information?

Accepted Answer

CN II

Answer

CN I

Answer

CN VIII

Answer

CN X

Question 31

What is structure B?

Accepted Answer

Lens

Answer

Cornea

Answer

Pupil

Answer

Iris

Answer

Vitreous Humour

Question 32

What is structure D?

Accepted Answer

Pupil

Answer

Cornea

Answer

Iris

Answer

Vitreous Humour

Answer

Lens

Question 33

What is structure G?

Accepted Answer

Optic Nerve (CN II)

Answer

Cornea

Answer

Pupil

Answer

Iris

Answer

Vitreous Humour

Question 34

What is structure H?

Accepted Answer

Retina

Answer

Cornea

Answer

Pupil

Answer

Iris

Answer

Vitreous Humour

Question 35

What is the correct order of waves in the electromagnetic spectrum from longest to shortest wavelength?

Accepted Answer

Radio waves, Microwaves, Infrared, Visible Light, Ultraviolet, X-rays, Gamma rays

Answer

Gamma rays, X-rays, Ultraviolet, Visible Light, Infrared, Microwaves, Radio waves

Answer

X-rays, Radio waves, Gamma rays, Microwaves, Infrared, Visible Light, Ultraviolet

Answer

Microwaves, Radio waves, Infrared, Visible Light, Ultraviolet, X-rays, Gamma rays

Question 36

Bonus: Which of the following is the correct chemical equation for photosynthesis?

Accepted Answer

C6H12O6 +  6O2 <-- 6CO2  +  6 H20

Answer

C6H12O6  +  6CO2 --> 6O2  +  6H2O

Answer

C6H12O6 +  6O2 --> 6CO2  +  6 H20

Answer

C6H12O6  +  6CO2 <-- 6O2  +  6H2O

Question 37

Bonus: Which of the following is the correct chemical equation for cellular respiration?

Accepted Answer

C6H12O6 +  6O2 --> 6CO2  +  6 H20

Answer

C6H12O6  +  6CO2 --> 6O2  +  6H2O

Answer

C6H12O6  +  6CO2 <-- 6O2  +  6H2O

Answer

C6H12O6 +  6O2 <-- 6CO2  +  6 H20

Question 38

What is the correct order of colors in the visible spectrum from longest to shortest wavelength?

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 39

What is the fundamental difference between static electricity and current electricity?

Accepted Answer

Static electricity is stored potential energy that does not move

Answer

Current electricity involves continuous electron flow

Answer

Static electricity always involves friction

Answer

Current electricity only occurs in metals

Question 40

In a magnetic field, what determines the direction of magnetic force on a moving charge?

Accepted Answer

The charge's movement being perpendicular to the field

Answer

The charge's speed

Answer

The charge's mass

Answer

The magnetic field's color

Question 41

What happens to an atom when electrons are stripped away?

Accepted Answer

It becomes positively charged

Answer

It becomes negatively charged

Answer

It becomes neutral

Answer

It disappears

Question 42

What are the three ways static discharge can occur?

Accepted Answer

Friction, conduction, and induction

Answer

Voltage, current, and resistance

Answer

Protons, neutrons, and electrons

Answer

Series, parallel, and direct current

Question 43

What is the key difference between a series and parallel circuit?

Accepted Answer

In a series circuit, breaking one path stops all components

Answer

Series circuits have multiple paths, parallel circuits have one

Answer

Parallel circuits always use DC current

Answer

Series circuits produce more voltage

Question 44

Which materials are considered good conductors of electricity?

Accepted Answer

Metal and water

Answer

Styrofoam and rubber

Answer

Plastic and paper

Answer

Wood and glass

Question 45

What factors influence electrical resistance?

Accepted Answer

Material, thickness, length, and temperature

Answer

Color, shape, size, and weight

Answer

Voltage, current, and charge

Answer

Protons, neutrons, and electrons

Question 46

What is an electromagnet?

Accepted Answer

A magnet created by a current-bearing coil of wire around an iron or steel core

Answer

A permanent magnet made of iron

Answer

A magnetic field generated by the Earth

Answer

A device that measures magnetic strength

Question 47

What is the fundamental difference between AC and DC current?

Accepted Answer

DC current flows in one direction, AC in different directions

Answer

AC current flows in one direction, DC in multiple

Answer

AC current is faster than DC

Answer

DC current only works in batteries

Question 48

What creates a magnetic field around a bar magnet?

Accepted Answer

Magnetic poles

Answer

Electric current

Answer

Electron movement

Answer

Proton alignment

Question 49

What is the SI unit for electrical charge?

Accepted Answer

Coulomb

Answer

Ampere

Answer

Volt

Answer

Ohm

Question 50

What happens to current flow in a parallel circuit if one branch is broken?

Accepted Answer

Only components on that branch stop working

Answer

All components stop working

Answer

The entire circuit shorts out

Answer

Voltage increases

Question 51

What is the relationship between voltage and current?

Accepted Answer

Higher voltage means more current pressure

Answer

Higher voltage means less current

Answer

Voltage and current are unrelated

Answer

Current determines voltage

Question 52

Which elements are ferromagnetic?

Accepted Answer

Iron, Cobalt, Nickel

Answer

Aluminum, Copper, Zinc

Answer

Gold, Silver, Platinum

Answer

Silicon, Germanium, Carbon

Question 53

What do generators primarily do?

Accepted Answer

Convert mechanical energy to electrical energy

Answer

Create magnetic fields

Answer

Store electrical charge

Answer

Measure current flow

Question 54

What do circuit breakers do?

Accepted Answer

Flip off during electrical overloads

Answer

Increase voltage

Answer

Decrease resistance

Answer

Measure current flow

Question 55

How can electrical charge be transferred?

Accepted Answer

By contact, friction, and induction

Answer

Only by friction

Answer

Only through metals

Answer

By magnetic fields

Question 56

What is the primary function of a transformer?

Accepted Answer

Change voltage levels

Answer

Generate electricity

Answer

Create magnetic fields

Answer

Store electrical energy

Question 57

What is a naturally occurring magnet called?

Accepted Answer

Lodestone

Answer

Ferromagnet

Answer

Electromagnet

Answer

Moon rocks

Question 58

Electrons flowing in different directions in a wire produce what?

Accepted Answer

Alternating current (AC)

Answer

Direct current (DC)

Answer

ACDC

Answer

Parallel circuits

Answer

Series circuits

Question 59

Electrons flowing in the same direction in a wire produce what?

Accepted Answer

Direct current (DC)

Answer

Alternating current (AC)

Answer

ACDC

Answer

Parallel circuits

Answer

Series circuits

Question 60

Current is measured in what units?

Accepted Answer

Amperes (Amps)

Answer

Voltage (Volts)

Answer

Coulombs (C)

Answer

Joules (J)

Question 61

Which subatomic particle is negatively charged?

Accepted Answer

Electron

Answer

Proton

Answer

Neutron

Answer

Quarks

Question 62

What size resistor would produce a 3 Amp current flow with a 12 Volt battery?

Accepted Answer

4 Ohms

Answer

1 Ohm

Answer

3 Ohms

Answer

12 Ohms

Question 63

What is resistance measured in?

Accepted Answer

Ohms

Answer

Amps

Answer

Volts

Answer

Coulombs

Answer

Watts

Question 64

What is electrical power measured in?

Accepted Answer

Watts

Answer

Ohms

Answer

Amps

Answer

Volts

Answer

Coulombs

Phys Sci Qtr 4 - Test 3: Electricity, Magnetism, & Sensing Waves

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