EXPERIMENT GUIDES
Pick one. Book a bench. Run it.
Full protocols with apparatus lists, step-by-step technique, safety notes, and the results you should expect — so you know when you've nailed it.
3 of 19 experiments
Biology~50 min
Food tests: starch, sugars, protein and fat
Four classic bench tests — iodine, Benedict's, biuret and the emulsion test — run on real food samples to detect the major nutrients.
IGCSE8-4-4Read the guide →
Biology~45 min
Microscopy: onion epidermal cells
Prepare a wet mount of onion epidermis, stain it with iodine, and draw what you actually see at ×40 and ×400 — cell walls, nuclei and all.
IGCSE8-4-4Read the guide →
Biology~35 min
Dye uptake in celery: does warmer water speed up the xylem stream?
Stand a dyed celery stalk in ice-cold water and its twin in warm water, then cut both into 5 mm cross-sections to see how far the dye actually travelled — and why warmth wins.
IGCSERead the guide →