reaction

volcano

vinegar

bubbles

chemical

toy

soda

crater

eruption

baking

stream

red

dye

rapid

foam

flows

down

experiments

schoolchildren

education

sparkling

pouring

lava

test

erupting

bottle

extinguishes

science

reagent

practice

laboratory

transition

bright

togetherness

dramatic

presentation

rushing

molecule

result

firework

pupils

burn

real

experience

detonation

demonstration

wait