children experimenting and growing crystals. Step 4: yarn hanging into salt solution

---

Size: 3543px × 5315px
Photo credit: © blickwinkel/Hecker / Alamy / Afripics
License: Licensed
Model Released: Yes

Keywords: -, ., 4:, analytical, bin, bins, chemical, chemist, chemistry, chemists, child, children, colored, coloured, container, containers, crayon, crystal, crystallise, crystallize, crystals, crystals., experiment, experimental, experimenting, experiments, format, glass, glasses, growing, hand, hands, hanging, hecker, human, jar, jars, kid, kids, mineral, minerals, natural, pen, pens, people, pot, pots, preserved, preserving, reaction, research, running, runnings, salt, scientist, scientists, solution, step, vertical, writing, yarn