Ana plugs in her volcano model and flips the switch. Nothing happens. The plastic baking soda sits still in the red cup, mocking her silence. She taps the cord against her palm, waiting for a spark.
She checks the wiring again, her fingers brushing the cool metal connector. A small blue LED blinks once on the base, then dies. Her shoulders slump as the hum of the room fades into quiet worry.
Ana grabs a fresh bottle of vinegar, pouring it with steady hands until the smell stings her nose. She tips the cup, watching the liquid race toward the powder. A tiny bubble bursts, releasing a single puff of gray smoke.
The smoke clears to reveal not an eruption, but a perfect, miniature ice sculpture formed by cold vapor. Ana stares at the frozen candy inside, her mouth dropping open in pure shock. The judges walk in, drawn by the strange, sweet aroma.
Ana smiles, holding up the icy surprise as the judges lean in for a closer look. The classroom lights reflect off the crystalline surface, turning the science project into a glittering treasure. She takes a deep breath, feeling the weight of her preparation settle into pride.