BGCSE BIOLOGY COURSEWORK
Colonies of bacteria and fungi appear in a few days. To download whole sets of experiments in zip files see the links to the right. A control with plain lanolin is included Soil Experiments The experiments included are as follows: If you do not have Microsoft Word installed you can download Word Viewer free here. The levels of liquid in each tube are observed 6.
Both are then placed in warm water and the sensations compared The gas is collected and tested for oxygen 6. Food tests Reagent for food tests and enzymes Reagent for food tests and enzymes 1 Test for starch Using iodine solution 1. The loss in weight is measured. Water is allowed to rise up columns of sand of different particle size and the height is measured.
Soil is shaken with water and the particles allowed to settle. A serial dilution of starch solution is tested with iodine 5.
The loss in weight is measured. Both are then placed in warm water and the sensations compared A control is conducted with plain lanolin Water is allowed to rise up columns of sand of different particle size and the height is measured.
The levels of liquid in each tube are observed 6. Human senses 1 Reaction time The distance a vertical ruler falls before being gripped is converted to a time interval 1. Soil Experiments The experiments included are as follows: The proportion retained is found by weighing.
These experiments are available as a PDF booklet which can be opened or downloaded here: The tubes are illuminated or darkened 8.
Biology Experiments. Educational experimental work to download by D G Mackean
Bulk Downloads Diffusion 6. The liquid which condenses is identified Introduction Resources list Germination biolovy – peas and wheat Germination times – sunflower and maize Germination times – French bean All zipped. Nitrates are washed out of a soil sample and are shown to reappear after a few days, using diphenylamine sulphate as a nitrate indicator. Water is poured through equal volumes of peat and sand. A simple Tullgren funnel is used to drive arthropods from gbcse soil.
Soil Experiments Back to top. Test for protein 4 Test for lipid The emulsion test 4. Air from a can of soil is dislodged under water.
These are then examined and counted under the microscope. The volume of water passing through equal depths of topsoil of varying grades is measured.
Test for glucose 3 Test for protein The biuret reaction 3. A control with plain lanolin is included Acidity or coursewok of soil samples is compared, using BDH soil indicator.
The tubes are illuminated or darkened 7. The fall in water level is measured with a measuring cylinder.
Beneath the description of each experiment you will find links from which you can open or download the experiments in Word format, and a link from which you can download the group of documents in a zip file. If you do not have Microsoft Word installed you can download Word Viewer free here. Colonies of bacteria and fungi appear in a few days. Slaked lime is added to a clay suspension.
Introduction to experiments on respiration 5.
Biology Coursework Enzymes – GCSE Science – Marked by
Water is poured through equal volumes of sand, clay mixtures in funnels and the volume passing through in a given time is measured. Samples are taken at 2-day intervals, dried and weighed 8. Bgcsw are conducted with plain lanolin, untreated cut coleoptiles and intact coleoptiles
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