In this activity, students plan an investigation to compare two clinical thermometers or two blood pressure devises.   They will need to investigate:

• the key features needed by a clinical thermometer or blood pressure monitor. The generic features required by physiological measuring devices are...

This Unilever Laboratory Experiment, published in 1973, describes two methods for determining the vitamin C in foods. The leaflet describes the estimation of vitamin C (L-ascorbic acid) in foodstuffs, after extraction with metaphosphoric acid, by titration with a standardized dye, 2,6 dichlorophenolindophenol,...

Understanding the osmotic potential of plant cells is a key part of understanding...

Students...