physical and chemical changes Flashcards
1
Q
define a physical change
A
shape or form change
2
Q
define chemical change
A
colour change
gas produced (bubbles)
temp change
new substance
odour produced
light of flame produced
can not be reversed
3
Q
define exothermic
A
mostly producing energy and taking in little energy
4
Q
define endothermic
A
mostly taking in energy and producing little energy
