LAB BENCH
01
Pick an experiment
02
Press ▶️ Run, or drag the slider to move time.
03
Container
Open: gases can escape into the air.
⚖️ DIGITAL SCALE
0.0 g
🔎 Clues spotted
🤔 Your call: what kind of change?
🔷 Physical changeThe same stuff changes size, shape, or state (solid, liquid, gas). Often easy to undo.
⚗️ Chemical changeParticles rearrange to make a new substance. Clues: gas bubbles, new color, light or heat, a new smell.