LaFleur's Sound, Light, & Heat Vocabulary

Created by christinalafleur 

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36 terms

echo

a repeated sound that occurs when sound waves bounce off a surface

pitch

the highness or lowness of a sound

reflection

the term for a light or sound wave that hits a surface and bounces off

conductors

materials that transfer heat easily

energy transformation

the change of energy from one form to another

vibration

to shake; back and forth motion

sound wave

a wave that transfers sound through matter

vacuum

empty space

wavelength

the distance from one area of crowded particles to the next

frequency

the number of vibrations a sound source makes in a given amount of time; how often something happens

amplitude

describes the standard diagram of a wave; wave's height

volume

loudness of a sound; the amount of space something takes up

sonar

a technology that uses sound waves to detect underwater objects

light

a form of energy we detect with our eyes

prism

an object that separates white light into bands of colored light

electromagnetic spectrum

the range of waves that make up light

refraction

the bending of light as it passes from one material into another

lens

a tool that refracts light

convex lens

a lens that bulges outward; makes objects seem bigger

concave lens

a lens that curves inward; helps with faraway vision

incoming rays

the light rays moving toward the surface

outgoing rays

the reflected light rays

transparent

materials that allow light to pass through; seen clearly

translucent

materials that scatter light in different directions; hard to see through clearly

opaque

materials that block light completely; cannot see through at all

heat

a form of energy that allows the flow of thermal energy from one material to another

temperature

how fast the particle in matter move

thermometer

a tool used to measure temperature

conduction

heating that occurs between two objects that are touching

convection

heating that occurs by the transfer of heat through liquids and gases

radiation

heating that occurs by the transfer of heat by wave energy

insulators

materials that do not allow the transfer of heat easily

conductors

materials that allow the transfer of heat easily

contracts

shrinks

potential energy

stored energy

kinetic energy

energy of movement

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