Chapter 16 Flashcards
___________ is the ability to do work.
energy
__________ _________ is the energy of motion.
kinetic energy
__________ _________ is stored energy in an object.
potential energy
a ___________ is formed when a disturbance occers.
mechanical wave
________ is a rapid back- and -fourth movement of an object.
vibration
________ is how high or low you perceive the sound to be.
pitch
volume is …………………………………………………..
how loud a sound is
is radiation
visible light
a ______ is a curved piece of clear material.
lens
_______________ occurs when a wave bounces.
reflection
___________ occurs when the path of light wave changes as it moves from one material to another
refraction
What is needed to do work or cause change?
work
energy produced by a machine or moving part
mechanical energy
energy produced by the movement of electrons
electrical energy
radiant energy that our eyes can see from the visible part of the electromagnetic spectrum
light energy
energy that causes a transfer of heat or temperature between materials
thermal energy
energy produced from vibration that you can hear
sound energy
kinetic or potential - a ball on a roof
potential
kinetic or potential - a boy running
Kinetic
kinetic or potential - an unlit match
potential
kinetic or potential - an apple on a tree branch
potential
kinetic or potential - a flying bird
kinetic
examples of mechanical energy (5)
hammer, bike, gears, scissors, lawnmower
examples of electrical energy (5)
blender, curling iron, computer, electric pencil sharpener, TV
examples of light energy (5)
traffic light, light bulb, lamp, flashlight, fireplace
examples of thermal energy (5)
sunlight, old-time stove, campfire, stove, laser
examples of sound energy (5)
speakers, drum, shouting, headphones, guitar
