10 terms

Houghton Mifflin 4th grade Science Chapter 14

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Terms in this set (...)

Reflection
when light waves bounce off of a surface.
Refraction
when light waves bend as they pass from one material to another.
Prism
something that separates white light into all the different colors of the rainbow -- red, orange, yellow, green, blue, indigo and violet.
Pitch
how low or high a sound seems to a listener.
Heat
the measure of how much thermal energy is transferred from one substance to another.
temperature
describes the average kinetic energy of particles of a substance.
convection
the transfer of thermal energy through fluids.
conduction
the transfer of thermal energy from particle to particle between two objects that are touching.
kinetic energy
energy that the object has because it is moving.
potential energy
energy that is stored in an object