Heat Reactions
Fire + Plant → Spreads fire
Fire + Oil → Spreads fire
Fire + Powder → Explosion!
Fire + Sand → Glass
Fire + Ice → Water
Lava + Sand → Glass
Lava + Plant → Fire
Lava + Oil → Fire
Lava + Ice → Water
Water & Steam
Fire + Water → Steam (fire dies)
Lava + Water → Stone + Steam
Ice + Water → Freezes water to ice
Steam → Rises, condenses back to water
Acid
Acid dissolves:
Acid + Lava → Stone + Steam
Physics
Sand sinks through liquids
Oil floats on water
Lava sinks through water
Plant grows toward water
Powder explodes in chain reactions
Smoke & Mud
Water + Sand → Mud
Fire/Lava + Mud → Stone (dries)
Combustion → Smoke (rises, fades)
Acid + Mud → Dissolves mud
Plant + Mud → Plant grows near mud
Weather
Steam near top → Cloud
Dense clouds → Rain (Water drops)
Cloud + Fire/Lava → Steam
Lightning
Bolt + Sand → Glass
Bolt + Water → Steam
Bolt + Plant → Fire
Bolt + Oil → Fire
Bolt + Ice → Water
Bolt + Powder → Explosion!