MicroScience Workstation

• Key Stage 3: 11 to 14 yrs
• Key Stage 4: 14 to 16 yrs

Experiments that can be performed with this kit include:

BIOLOGY. The action of catalase on hydrogen peroxide. The action of amylase on starch. The action of amylase on starch over a period of time. The effect of temperature on the activity of the amylase. The effect of pH on the activity of amylase. The effect of rennin on milk. The effect of bromelin on gelatine. Benedict's test for reducing sugar. Benedict's test for a non-reducing sugar. Iodine test for starch. Iodine test for cellulose. Emulsion test. The grease spot test. Biuret test for proteins. Plant and enzyme studies and many more activities.

CHEMISTRY. Materials and their properties - mixtures. Acids & bases. Patterns of behaviour - metals. Materials & their properties - useful products from oil. Materials and their properties - rates of reaction. Materials and their properties - the periodic table. Materials and their properties - useful products from air. Materials and their properties - energy transfer in reactions. Materials and their properties - useful products from ores and rocks. Chemical equilibrium. Organic chemistry. Miscellaneous.

PHYSICS EXPERIMENTS. To identify different forms of energy and carry out simple experiments to show the following energy conversions: A: Chemical energy to electrical energy to heat energy. B: Electrical energy to magnetic energy to kinetic energy. C: Light energy to electrical energy to kinetic energy. To investigate and describe the expansion of solids, liquids and gases when heated, and contraction when cooled.

CHEMISTRY EXPERIMENTS. To grow crystals using alum or copper sulphate. To separate mixtures using a variety of techniques: filtration, evaporation, distillation and paper chromatography. A: Filtration B: Evaporation C: Filtration and evaporation D: Distillation E: Paper Chromatography. To investigate the pH of a variety of materials using the pH scale. To prepare a sample of oxygen by decomposing H202 using MnO2 as a catalyst (word equation and chemical equation). To prepare carbon dioxide (word equation and chemical equation) and show that it does not support combustion. To conduct a qualitative experiment to detect the presence of dissolved solids in water samples, and test water for hardness (soap test). Dissolved solids. Water hardness. To titrate HCI against NaOH, and prepare a sample of NaCI. To investigate the reaction between zinc and HC, and test for hydrogen. (word equation and chemical equation). To carry out an experiment to demonstrate that oxygen and water are necessary for rusting.