Thermal Energy
Heat is the transfer of thermal energy from warmer objects to _______ ones
cooler
electricity that builds up on the surface of objects
a back and forth movement, involved in sound
vibration
light bouncing off a surface
reflection
Name one example of sound energy
answers vary
Talking and singing
Musical instruments
Thunder
the transfer of heat through direct contact between particles
conduction
electricity that flows through a conductor, like a wire
current electricity
materials that sound travels through such as air or water
mediums
light taken in by a material
absorption
materials that allow heat to transfer easily
conductors
When particles move slower → temperature ____________
decreases
a circuit where the components are connected in multiple paths
parallel circuit
the number of waves per second (pitch)
frequency
the bending of light
refraction
materials that slow down the transfer of heat
insulators
the transfer of heat through electromagnetic waves
radiation
a circuit where the components are connected in a single path
series circuit
movement of energy through matter
wave
term that means some light can pass through
Translucent
True or False:
A flashlight is a natural source of light
False
the transfer of heat by the movement of fluids
convection
the push that moves electrons through a circuit, represented by a capital letter in Ohm's Law
voltage
height of a wave (the loudness)
amplitude
term that means no light can pass throug an object
opaque
True or False:
An example of a device that maximizes heat transfer is a radiator
true