GS assessment - grades 7-9 and grades 10-12

Experiments	Grade	Green Star
Fusion of solid butter	7^th, 8^th or 9^th grades	GSAI = 91.67%
Ice fusion	7^th, 8^th or 9^th grades	GSAI = 100.00%
Identification of carbon dioxide (with lime water)	7^th, 8^th or 9^th grades	GSAI = 66.67%
Identification of cations (flame tests)	7^th, 8^th or 9^th grades	GSAI = 58.33%
Identification of ethanol	7^th, 8^th or 9^th grades	GSAI = 58.33%
Identification of glucose in food (with Fehling´s solution)	7^th, 8^th or 9^th grades	GSAI = 58.33%
Identification of hydrogen	7^th, 8^th or 9^th grades	GSAI = 50.00%
Identification of oxygen	7^th, 8^th or 9^th grades	GSAI = 41.67%
Identification of starch (with tincture of iodine)	7^th, 8^th or 9^th grades	GSAI = 75.00%
Identification of the chemical nature of food (with litmus blue dye)	7^th, 8^th or 9^th grades	GSAI = 75.00%
Identification of the chemical nature of hydrogen chloride (with litmus blue dye)	7^th, 8^th or 9^th grades	GSAI = 33.33%
Identification of water	7^th, 8^th or 9^th grades	GSAI = 50.00%
Invert a glass overflowing with water on a cardboard sheet	7^th, 8^th or 9^th grades	GSAI = 100.00%
Iodine sublimation	7^th, 8^th or 9^th grades	GSAI = 16.67%
Iron oxidation	7^th, 8^th or 9^th grades	GSAI = 75.00%