Ch. 203 Flashcards
0
Q
Chemical change
A
A change in matter that produces one or more new substances
1
Q
Physical change
A
Any change that alters the form or parents of matter does not make any mistake in the matter into a different substance
2
Q
Law of conservation of mass
A
The fact that matter is not created or destroyed in any chemical or physical change
3
Q
Energy
A
The ability to do work or cause change
4
Q
Temperature
A
A measure of the average energy of random motion particles of matter
5
Q
Thermal energy
A
The total energy of all particles in an object
6
Q
Endothermic change
A
A change in which energy is taking in
7
Q
Exothermic change
A
A change in which energy is released
