1 per group of 8 Climate Through Time The posters can be ordered AC3.1.2 students posters free form the British Geological Survey. 1 per group AC3.2.1 Tray A mixture of sand, Dry sand gravel, and talcum Gravel and small pebbles powder enough to about (various sizes) ½ fill each tray Talcum powder, or a similar fine harmless powder 1 per student Drinking straws, or the barrels of pens with the ink tubes removed AC3.4.1 Food labels (possibly A wide selection photocopied from packets) covering enough examples for students to estimate their total salt intake in one day Salt pot with table salt 1 AC3.5.1 Castor oil About 5 cm3 Ethanol 5 cm3 Sodium hydroxide solution 10 cm3 (5M) Sodium chloride 10 g AC3.5.2 Universal indicator paper 1 book per group and colour chart Hydrated sodium 1 container per group crystals 1 container per Calcium hydroxide 1 container per group Dilute hydrochloric acid (2M) Concentrated sulfuric acid 10 cm3 AC3.6.1 Sodium chloride 20 g Universal indicator paper 1 book Iron sulfide, or sodium Few g sulfide Hydrochloric acid (5M) About 20 cm3 Sodium chlorate(I) solution About 50 cm3 (14%) Blue litmus paper Few strips Electrolysis cell 1 per group See guidance sheet for AC3.7.1 details of the electrolysis Sodium chloride solution (30 100 cm3 per group cell. g/dm3) Universal indicator paper Few strips per group
AC3.1.2 Climate Through Time posters 1 per group of 8 students The posters can be ordered free form the British Geological Survey. AC3.2.1 Tray Dry sand Gravel and small pebbles (various sizes) Talcum powder, or a similar fine harmless powder Drinking straws, or the barrels of pens with the ink tubes removed 1 per group A mixture of sand, gravel, and talcum powder enough to about ½ fill each tray 1 per student AC3.4.1 Food labels (possibly photocopied from packets) covering enough examples for students to estimate their total salt intake in one day Salt pot with table salt A wide selection 1 AC3.5.1 Castor oil Ethanol Sodium hydroxide solution (5M) Sodium chloride About 5 cm3 5 cm3 10 cm3 10 g AC3.5.2 Universal indicator paper and colour chart Hydrated sodium crystals Calcium hydroxide Dilute hydrochloric acid (2M) 1 book per group 1 container per group 1 container per 1 container per group AC3.6.1 Concentrated sulfuric acid Sodium chloride Universal indicator paper Iron sulfide, or sodium sulfide Hydrochloric acid (5M) Sodium chlorate(I) solution (14%) Blue litmus paper 10 cm3 20 g 1 book Few g About 20 cm3 About 50 cm3 Few strips AC3.7.1 Electrolysis cell Sodium chloride solution (30 g/dm3) Universal indicator paper 1 per group 100 cm3 per group Few strips per group See guidance sheet for details of the electrolysis cell.
C1,C2,C3%20technician%20advance%20planning.docx