Physical and chemical changes Flashcards
(5 cards)
1
Q
heating particles causes them to what?
A
speed up
2
Q
what are 3 examples of a chemical change?
A
- wood burning to ash
- iron - rust
- food digesting
3
Q
from gas straight to solid is called what?
A
deposition
4
Q
cooling particles causes them to what?
A
slow down
5
Q
A
