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Energy
Unit 2 MELTS and Circuits
word | definition |
---|---|
energy | ability to do work or cause change |
mechanical energy | produced by a machine or movement |
electrical energy | energy produced by a machine or movement |
light energy | form of energy that can travel through space and be seen by the human eye |
thermal energy | energy that causes a transfer of heat between materials |
sound energy | energy produced from vibrations that you can hear |
Rube Goldberg | unnecessarily complicated machine |
electric current | flow of electric energy |
parallel circuit | circuit with more than one path |
series circuit | circuit with one path |
circuit | a closed path that electric current flows through |
comple path | closed circuit |
incomplete path | open circuit |
switch | a device for making and breaking the connection in an electric circuit |
source/cell | battery |
absorb | take in |
lens | piece of see through material that is curved on one or both sides |
medium | substance |
prism | triangular shape; used to refract light |
reflection | light bounces back |
refraction | light bends |
transmit | allow energy to pass through a medium |
transparent | lets all light through ex. clear glass |
translucent | lets some light through ex. wax paper |
opaque | lets no light through ex. wood |