Physical and Chemical Changes Flashcards
1
Q
Change that occurs when one or more substance change into an entirely new substance with different properties
A
Chemical change
2
Q
The law that states that mass can’t be created or destroyed in ordinary chemical and physical changes
A
Law of conservation of mass
3
Q
A change of matter from one form to another, without a change in chemical property
A
Physical change
4
Q
Sign 1
A
Odor smell
5
Q
Sign 2
A
Production of a gas/bubbles
6
Q
Sign 3
A
Forms of precipitate
7
Q
Sign 4
A
Change in color rust/tarnish
8
Q
Sign 5
A
Change in energy-temperature
