Please enable JavaScript.
Coggle requires JavaScript to display documents.
Change and Reactions in Matter (Chemical Change (indicators (production of…
Change and Reactions in Matter
Physical Change
Examples
Butter melting on toast
clay remolded
state of matter
Changes in shape
Chemical Change
indicators
production of gas
bubbles
color
loud sounds
reactant
(oxygen)
iron oxide
(rust)
+reactant
(iron)
.
flammability
reactivity
energy
released
absorbed
Exothermic Reaction
Combustion
Releases energy
Break bonds
Endothermic Reaction
energy of product > energy of reactant
Difference of energy = absorbed heat
