Glossary of Key Words Flashcards
1
Q
Absolute zero
A
The lowest temperature possible
2
Q
Acceleration
A
The rte at which an object increases in speed
3
Q
Air resistance
A
The opposition to motion due to air friction
4
Q
Alpha
A
A radioactive particle made of two protons and two neutrons
5
Q
Alternating current
A
An electric current that changes direction of flow continuously
6
Q
Amplitude
A
The maximum disturbance caused by a wave
7
Q
Analogue
A
A signal that varies continuously in amplitude/frequency; can take any value
8
Q
Atom
A
The smallest part of an element that can enter into a chemical reaction
9
Q
Beta
A
A type of radioactive particle made of an electron