[Sound, Energy, and Motion 소리,에너지 그리고 운동 영영풀이]
battery
bright
crash
fall
verb : to move downward, often fast and without control
fire
noun : the flame when something is burned
glow
verb : to give off light without a flame
goes
verb : to move from one place to another
heat
noun : the condition of being hot; high temperature
light
noun : energy that makes seeing possible
lightning
noun : a flash of light in a stormy sky, often followed by thunder
loud
adjective : noisy
mute
verb : to turn off the sound
noise
noun : a sound, or sounds, that are loud or unpleasant to hear
phone
noun : a tool that is able to send speech and other kinds of sound over long distances
pull
verb : to use force to move something closer
push
verb : to use force to move something away
quiet
adjective : making little or no noise; calm
rise
verb : to move higher
shine
verb : to give off bright light
soft
adjective : sounding quiet and gentle
sound
noun : energy that lets you hear
sound
noun : a vibration, or noise, sensed by the ears
turn
verb : to move in a circle; to change direction
wind
noun : moving air
accelerant
noun : a substance that makes a fire grow faster
accelerate
acceleration
noun : an increase in the speed or direction of a moving object; a vector measurement that involves direction
acoustic
adjective : of or relating to sound, the sense of hearing, or the science of sound
Albert Einstein
atom
noun : the smallest part of an element
attraction
balance
battery
battery pack
noun : an object that converts chemical energy into electric energy
broadcast
verb : to send out radio or television signals or programs
channel
noun : the group of radio or television waves a station is allowed to use to send out its programs
charge
verb : to store electrical energy in a battery or a device operated by batteries
conduction
noun : the transfer of heat or other energy from one object to another
conductor
noun : a material, usually a metal, that transfers heat, electricity, or sound from one object to another
convection
noun : the transfer of heat by movement in a liquid or gas
crack
noun : a sudden, very loud sound
deceleration
noun : the act of reducing speed or making something go more slowly
drag
noun : resistance to motion
echo
noun : the repetition of a sound caused by sound waves bouncing off surfaces
echo
verb : to repeat, as in a sound
electric
adjective : charged with, powered by, or producing electricity
electrical
adjective : operated by, or having to do with, electricity
electricity
noun : energy created by moving charged particles
electricity
noun : an electric current that is used as a source of power
electron
noun : a particle in an atom that orbits the nucleus and has a negative electrical charge
encode
verb : to put information in a special code
energy
noun : the power to do work, make a change, or move objects
energy source
noun : something that provides a supply of energy such as water, wind, sunlight, coal, or petroleum
engine
noun : a machine, usually with moving parts, that uses power to create motion
flash
verb : to light up or show something for a very short period of time
flashlight
noun : an electric light that runs on batteries and is easy to carry
fluorescent
adjective : having the ability to give off light by absorbing light of short wavelength and emitting light of longer wavelength; very bright in color
force
noun : the strength or energy that moves an object
frequency
noun : the rate of vibration of a sound wave
frequency
noun : the number of waves that pass a point in a specific length of time
friction
noun : a force that slows down moving things
friction
noun : the force that builds up when two objects rub against each other
furnace
noun : a large appliance in which fuel is burned, which can heat buildings, burn trash, or melt raw materials
generate
verb : to produce or create
generator
noun : a machine that turns motion into electricity
gobble
verb : to make a rapid gurgling sound in the throat, such as a male turkey makes
gravity
noun : the natural force that tends to pull objects toward each other, such as objects being pulled toward the center of Earth
horsepower
noun : a unit of power equal to 746 watts
illuminate
verb : to light up
indigo
noun : the color of light between blue and violet
intensity
noun : the measurable amount of energy transmitted per unit of sound
invisible
adjective : unable to be seen
ion
noun : an atom that has gained or lost electrons and has an electrical charge
jolt
noun : a sudden or rough movement; a shock, surprise, or surge of energy
laser
noun : a device that projects intense, focused light of similar wavelengths
laser
noun : intense, focused light of similar wavelengths
law
noun : a statement about results that always occur under certain circumstances
lift
noun : upward aerodynamic force
light
noun : a form of radiant energy that allows us to see things
lightbulb
noun : a rounded glass object used in a lamp or lighting fixture that gives off light when electricity passes through it
lightning
noun : a flash of light in the sky made when electricity passes from one cloud to another or between a cloud and the ground
loudly
adverb : in a noisy manner
loudness
noun : the magnitude of the effect produced when a sound stimulates the ear
magnet
noun : a piece of metal that attracts other pieces of metal
magnetic
adjective : able to attract iron or steel objects
magnetism
noun : a force that pushes and pulls certain metals
magnetize
verb : to make an object or material magnetic
matter
noun : anything that takes up space and has weight
maximum
adjective : the greatest quantity or amount possible
medium
noun : a substance through which something is carried or transmitted
mobile
adjective : able to move around
molecule
noun : the smallest part of a substance that can exist by itself, made of two or more atoms
motion
noun : the act of going from one place to another; movement
negative
adjective : with the same charge as an electron
neutron
noun : a particle in the nucleus of an atom that has no electrical charge
noisy
adjective : making a lot of loud or unpleasant sounds
nuclear
adjective : having to do with energy or a weapon that involves a nuclear reaction
nucleus
noun : the positively charged central region of an atom, consisting of protons and neutrons and containing most of the atom’s mass
pendulum
noun : a weight that hangs from a nonmoving point and swings from side to side
photon
noun : the smallest unit of light energy
physicist
noun : a scientist who studies the nature and properties of energy and matter
physics
noun : the scientific study of matter, motion, and energy
pitch
noun : how high or low a sound is
plug
verb : to connect an electrical device by pushing a plug into a socket
pole
noun : either one of the two opposite parts of something, such as the two ends of a magnet
positive
adjective : having an electrical charge of an opposite polarity to that of an electron and the same polarity as that of a proton
power
noun : energy that can be used to do work
powered
adjective : driven; given energy to move forward
pressure
noun : physical force placed on an object
propel
verb : to push somebody or something forward
proton
noun : a particle in the nucleus of an atom that has a positive electrical charge
quietly
adverb : with little or no sound
radar
noun : a system that sends out radio waves and picks them up again after they strike an object and bounce back
radiant
adjective : moving out in all directions; shining brightly
radiate
verb : to emit something, often light or heat in the form of rays or waves
radiation
noun : the process of giving off energy in the form of waves, such as light or heat
reaction
noun : an equal, opposite response to a force being applied
reflect
verb : to send light, sound, or heat back toward where it came from
reflection
noun : the return of energy as it bounces off something
refraction
noun : the bending of a wave when it passes through certain kinds of matter
repel
verb : to force something away
resound
verb : to fill a place with sound
rest
noun : a pause during which no force is moving an object
shock
noun : a sharp jolt experienced when electrical current touches or travels through a person's body
shrill
adjective : sharp or unpleasant sounding
silence
noun : an absence of sound
socket
noun : the hole that receives a plug or lightbulb
sonar
noun : a system that sends high-frequency sound waves through water and registers the vibrations bounced back by an object
sonic boom
noun : an loud, explosive sound made by something traveling faster than sound
sonogram
noun : a method of using high-frequency sound waves to form images of the inside of the human body
sound barrier
noun : the large increase in air resistance encountered by aircraft flying at the speed of sound
sound wave
noun : the movement of sound energy through air, liquid, or a solid
spectrum
noun : a band of colors made by separating light into its different wavelengths; a range
speed of sound
noun : the rate of speed at which a sound wave travels; about 750 miles (1,200 km) per hour at sea level
stationary
adjective : standing still; not moving
steam
noun : the fine mist that is formed when water is boiled
telephone
noun : a device that changes sound vibrations, such as the human voice, into electrical signals that can be sent over long distances
thrust
noun : forward aerodynamic force
thunder
noun : a loud noise that is often heard after lightning
transfer
verb : to move from one place, person, or thing to another
ultrasound
noun : high-frequency sound waves that cannot be heard by humans
ultraviolet
adjective : relating to a form of light energy that cannot be seen
unplug
verb : to disconnect an electrical device by pulling a plug out of a socket
vacuum
noun : a space that contains absolutely no matter
vibrate
verb : to move back and forth very quickly
vibration
noun : a trembling movement; a small, rapid back-and-forth or side-to-side movement
visible
adjective : able to be seen
volt
noun : a measure of the amount of push that gets an electric current moving
voltage
noun : the force of an electrical charge in a circuit, measured in volts
volume
noun : how loud or soft a sound is
watt
noun : a measure of the rate at which electrical energy is being used
wave
noun : the transfer of energy as it travels away from an energy source
wavelength
windmill
noun : a machine with rotating blades that uses wind to generate power
aerodynamic
adjective : designed to reduce wind drag and improve efficiency or maximum speed
aerodynamics
alternating current
noun : an electric current in which electrons move rapidly back and forth
ampere
noun : the basic unit for measuring the amount of electric current in a wire
chemical energy
circuit
noun : a closed path along which an electric current travels
concave lens
noun : a piece of glass or other transparent material that is thinner in the middle than it is at the edges and that refracts light rays so they bend outward
convection current
noun : a series of circular motions that occur in substances when heating and cooling happen together
convex lens
noun : a piece of glass or other transparent material that is thicker in the middle than at the edges and that refracts light rays so they come together
decibel
noun : a unit that measures the loudness or softness of a sound
direct current
noun : an electric current in which electrons move in one direction
downforce
noun : the force of air that pushes a race car down and helps keep it on the track
echolocation
noun : a way of locating objects by sending out a sound and measuring how long it takes to bounce back
electric current
noun : the movement of electrons through matter
electrical energy
noun : energy that provides power to things that run on electricity
electrode
noun : a point through which electricity flows into or out of a device, such as a battery
electromagnet
noun : a magnet that can be turned on or off and is made by sending electricity through metal
electromagnetic
adjective : created by or relating to the interaction between electric and magnetic fields
electromagnetic radiation
noun : energy in the form of electromagnetic waves
energy resource
noun : a supply of something that can be used by people to do work and to provide power
energy transfer
noun : a transfer, or movement, of energy from one form to another
filament
noun : the threadlike part of a lightbulb that glows
fluorescent bulb
noun : a lightbulb in which electricity passes through a gas that reacts with the white coating inside the bulb to produce light
fuel cell
noun : a device that produces electricity by combining a fuel with oxygen
fusion
noun : the blending of atoms that usually releases large amounts of energy
geothermal energy
noun : heat from inside Earth, which can be used as a power source
heat energy
noun : a form of energy that is transferred from an object with a higher temperature to an object with a lower temperature
hertz
noun : a measurement of frequency in cycles per second
hydroelectric
adjective : of or relating to electricity generated by moving water
hydroelectric plant
noun : a power plant that produces electricity from moving water and turns turbines connected to generators
hydroelectric power
noun : electricity produced when moving water turns turbines that are connected to generators
incandescent
adjective : giving off light after being heated to a very high temperature
incandescent bulb
noun : a lightbulb in which electricity passes through a wire, which heats up and produces light
inertia
infrared light
noun : a type of electromagnetic radiation with a longer wavelength than visible light
insulator
noun : a material or device that prevents or reduces the transfer of heat, electricity, or sound
iridescent
adjective : having rainbowlike colors that vary in different lights or from different angles
kilowatt-hour
noun : a measure of electrical energy equal to using or producing one kilowatt of power in one hour
kinetic
adjective : of or relating to the movement of physical objects
kinetic energy
noun : the energy that a moving body has because of its motion
light energy
noun : a form of radiant energy that allows us to see things
light ray
noun : the straight path along which light energy travels
lines of force
noun : invisible lines of magnetic force that flow through and around a magnet
lodestone
noun : naturally magnetic rock
luminous
adjective : glowing or reflecting light; radiant
magnetic field
noun : an area around a magnet or a moving electric charge where there is a magnetic force
magnetic poles
noun : the ends of a magnet where the magnetic force flows in and out
microwave
noun : an electromagnetic wave that is shorter than a radio wave but longer than infrared radiation; also a short name for a microwave oven
momentum
noun : the strength or force that keeps something moving or growing
nuclear fission
noun : a process by which the nuclei of atoms are split apart to create energy
nuclear fusion
noun : a process by which the nuclei of atoms are joined together to create energy
polarized
adjective : a characteristic of some sunglasses that lets them block sunlight entering from certain directions
potential energy
noun : the energy a body has because of its position, electrical charge, or structure; stored energy
radiant energy
noun : energy traveling in electromagnetic waves, such as infrared, visible light, or radio waves
radio and television signals
noun : electromagnetic signals that transmit pictures and sounds
radio waves
noun : electromagnetic waves of certain long wavelengths that can carry information used in radio broadcasts and radio-controlled toys
radioactive
adjective : giving off particles and/or radiation, which changes the structure of the material’s atoms
solar cells
noun : structures made from silicon or plastic that absorb light energy from the Sun and turn it into electricity
solar energy
noun : power from the Sun
sound energy
noun : energy that allows us to hear things
stored energy
noun : energy that is kept or collected to be used later
thermonuclear reaction
noun : a process, often involving high temperatures, in which the structure of atoms change, releasing tremendous energy
ultraviolet radiation
ultraviolet wave
noun : radiant energy waves similar to light; cannot be seen by humans
white light
noun : light that seems colorless but contains all the colors of the spectrum
wind resistance
noun : the force of air pushing against a moving object
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