Physics Vocabulary 3 Flashcards
1
Q
Wave
A
A physical disturbance that travels to a medium
2
Q
Electromagnetic Spectrum
A
Range of waves that make up light
3
Q
Reflection
A
Light waves hit a surface and bounce off
4
Q
Refraction
A
Light bends when moving from one medium to another
5
Q
Absorbtion
A
To absorb, go into, to stop
6
Q
Transmission (through transparent or opaque objects)
A
To pass through a substance without being absorbed
7
Q
Conduction
A
Energy is transferred by direct contact
8
Q
Convection
A
They occur with gases and liquids
9
Q
Radiation
A
The transfer of heat energy by waves through space and air
10
Q
Activation Energy
A
Amount of energy required for the reaction to take place
11
Q
Exothermic Energy
A
Chemical reaction that RELEASES heat in order to form bonds
12
Q
Endothermic Energy
A
Chemical reaction that ABSORBS heat in order to break bonds
