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

A - E F - J K - O P - T U - Z Syntheses Other experiments grades 7-9 grades 10-12 Show all

Experiments	Grade	Green Star
Blue bottle	7^th, 8^th or 9^th grades	GSAI = 41.67%
Candle combustion	7^th, 8^th or 9^th grades	GSAI = 58.33%
Carbon combustion	7^th, 8^th or 9^th grades	GSAI = 41.67%
Chemical reaction between barium chloride and sodium sulfate	7^th, 8^th or 9^th grades	GSAI = 58.33%
Chemical reaction between bleach and lemon juice	7^th, 8^th or 9^th grades	GSAI = 41.67%
Chemical reaction between calcium nitrate and sodium carbonate	7^th, 8^th or 9^th grades	GSAI = 58.33%
Chemical reaction between calcium nitrate and zinc(II) chloride	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between copper coins and vinegar	7^th, 8^th or 9^th grades	GSAI = 50.00%
Chemical reaction between copper(II) sulfate and sodium hydroxide	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between Epsom salts and ammoniacal detergent	7^th, 8^th or 9^th grades	GSAI = 50.00%
Chemical reaction between hydrochloric acid and Alka Seltzer	7^th, 8^th or 9^th grades	GSAI = 66.67%
Chemical reaction between hydrochloric acid and aluminium	7^th, 8^th or 9^th grades	GSAI = 41.67%
Chemical reaction between hydrochloric acid and ammoniacal detergent	7^th, 8^th or 9^th grades	GSAI = 41.67%
Chemical reaction between hydrochloric acid and calcium carbonate	7^th, 8^th or 9^th grades	GSAI = 66.67%
Chemical reaction between hydrochloric acid and eggshell	7^th, 8^th or 9^th grades	GSAI = 75.00%
Chemical reaction between hydrochloric acid and iron	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between hydrochloric acid and magnesium	7^th, 8^th or 9^th grades	GSAI = 50.00%
Chemical reaction between hydrochloric acid and sodium bicarbonate	7^th, 8^th or 9^th grades	GSAI = 66.67%
Chemical reaction between hydrochloric acid and sodium hydroxide	7^th, 8^th or 9^th grades	GSAI = 50.00%
Chemical reaction between hydrochloric acid and sodium hydroxide (using phenolphthalein and universal indicator paper)	7^th, 8^th or 9^th grades	GSAI = 50.00%
Chemical reaction between hydrochloric acid and sodium hydroxide (using phenolphthalein as indicator)	7^th, 8^th or 9^th grades	GSAI = 50.00%
Chemical reaction between hydrochloric acid and sodium hydroxide (using universal indicator paper as indicator)	7^th, 8^th or 9^th grades	GSAI = 58.33%
Chemical reaction between hydrochloric acid and sodium hydroxide (using universal indicator solution as indicator)	7^th, 8^th or 9^th grades	GSAI = 50.00%
Chemical reaction between hydrochloric acid and sodium thiosulfate	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between hydrochloric acid and zinc	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between iron and copper sulfate	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between iron silver nitrate and a nail	7^th, 8^th or 9^th grades	GSAI = 41.67%
Chemical reaction between lead mitrate and potassium chromate	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between lead nitrate and calcium chloride	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between lead nitrate and potassium iodide	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between lead nitrate and sodium chloride	7^th, 8^th or 9^th grades	GSAI = 41.67%
Chemical reaction between lead nitrate and sodium sulfate	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between magnesium sulfate and sodium carbonate	7^th, 8^th or 9^th grades	GSAI = 75.00%
Chemical reaction between nitric acid and copper	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between nitric acid and potassium hydroxide	7^th, 8^th or 9^th grades	GSAI = 25.00%
Chemical reaction between potassium bromide and silver nitrate	7^th, 8^th or 9^th grades	GSAI = 41.67%
Chemical reaction between potassium permanganate and glycerol	7^th, 8^th or 9^th grades	GSAI = 50.00%
Chemical reaction between silver nitrate and copper.	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between silver nitrate and nickel chloride	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between silver nitrate and potassium chromate	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between silver nitrate and potassium iodide	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chemical reaction between silver nitrate and sodium carbonate	7^th, 8^th or 9^th grades	GSAI = 41.67%
Chemical reaction between sodium and chlorine	7^th, 8^th or 9^th grades	GSAI = 25.00%
Chemical reaction between sodium carbonate and calcium chloride	7^th, 8^th or 9^th grades	GSAI = 91.67%
Chemical reaction between sodium carbonate and copper(II) sulfate	7^th, 8^th or 9^th grades	GSAI = 58.33%
Chemical reaction between sodium chloride and silver nitrate	7^th, 8^th or 9^th grades	GSAI = 41.67%
Chemical reaction between sodium hydroxide and carbon dioxide	7^th, 8^th or 9^th grades	GSAI = 50.00%
Chemical reaction between sulfuric acid and zinc	7^th, 8^th or 9^th grades	GSAI = 41.67%
Chemical reaction between the hydrochloric acid and chalk	7^th, 8^th or 9^th grades	GSAI = 66.67%
Chemical reaction between vinegar and calcium carbonate	7^th, 8^th or 9^th grades	GSAI = 58.33%
Chemical reaction between vinegar or lemon with sodium bicarbonate or ferment	7^th, 8^th or 9^th grades	GSAI = 75.00%
Chemical reaction between zinc(II) chloride and sodium carbonate	7^th, 8^th or 9^th grades	GSAI = 58.33%
Chemical reaction speed - comparing the reactions of hydrochloric acid with magnesium and zinc	7^th, 8^th or 9^th grades	GSAI = 33.33%
Chocolate fusion	7^th, 8^th or 9^th grades	GSAI = 91.67%
Classification of water using acid-base indicators	Secondary (10^th, 11^th or 12^th grades)	GSAI = 41.67%
Cleaning a copper coin with Coca-Cola	7^th, 8^th or 9^th grades	GSAI = 33.33%
Collapse a soda can	7^th, 8^th or 9^th grades	GSAI = 66.67%
Cool and warm up air in balloons	7^th, 8^th or 9^th grades	GSAI = 91.67%
Copper combustion	7^th, 8^th or 9^th grades	GSAI = 25.00%
Crystallization of sugar (saccharose)	7^th, 8^th or 9^th grades	GSAI = 100.00%
Decomposition of ammonium chloride	7^th, 8^th or 9^th grades	GSAI = 16.67%
Decomposition of baking soda or ferment	7^th, 8^th or 9^th grades	GSAI = 25.00%
Decomposition of hydrogen peroxide	7^th, 8^th or 9^th grades	GSAI = 75.00%
Decomposition of mercury(II) oxide	7^th, 8^th or 9^th grades	GSAI = 16.67%
Decomposition of potassium permanganate	7^th, 8^th or 9^th grades	GSAI = 16.67%
Decomposition of silver bromide	7^th, 8^th or 9^th grades	GSAI = 33.33%
Decomposition of silver chloride	7^th, 8^th or 9^th grades	GSAI = 33.33%
Decomposition of water	7^th, 8^th or 9^th grades	GSAI = 66.67%
Desalinate salt water	Secondary (10^th, 11^th or 12^th grades)	GSAI = 91.67%
Determination of the boiling point of acetone	7^th, 8^th or 9^th grades	GSAI = 50.00%
Determination of the boiling point of ethanol	7^th, 8^th or 9^th grades	GSAI = 58.33%
Determination of the boiling point of water	7^th, 8^th or 9^th grades	GSAI = 83.33%
Determination of the density of acetone	7^th, 8^th or 9^th grades	GSAI = 58.33%
Determination of the density of aluminum	7^th, 8^th or 9^th grades	GSAI = 66.67%
Determination of the density of cooking oil	7^th, 8^th or 9^th grades	GSAI = 100.00%
Determination of the density of copper	7^th, 8^th or 9^th grades	GSAI = 66.67%
Determination of the density of ethanol	7^th, 8^th or 9^th grades	GSAI = 66.67%
Determination of the density of glycerin	7^th, 8^th or 9^th grades	GSAI = 100.00%
Determination of the density of iron	7^th, 8^th or 9^th grades	GSAI = 66.67%
Determination of the density of lead	7^th, 8^th or 9^th grades	GSAI = 50.00%
Determination of the density of olive oil	7^th, 8^th or 9^th grades	GSAI = 100.00%
Determination of the density of water	7^th, 8^th or 9^th grades	GSAI = 100.00%
Determination of the density of zinc	7^th, 8^th or 9^th grades	GSAI = 50.00%
Determination of the enthalpy of combustion of some alcohols (in construction)	Secondary (12^th grade)	No GS
Determination of the fusion point of sulfur	7^th, 8^th or 9^th grades	GSAI = 25.00%
Determination of the melting point of naphthalene	7^th, 8^th or 9^th grades	GSAI = 25.00%
Determination of the melting point of the water	7^th, 8^th or 9^th grades	GSAI = 100.00%
Determination of the neutralization enthalpy of the reation NaOH (aq) + HCl (aq) (in construction)	Secondary (12^th grade)	No GS
Dissolution of ammonium chloride in water	7^th, 8^th or 9^th grades	GSAI = 50.00%
Dissolution of calcium chloride in water	7^th, 8^th or 9^th grades	GSAI = 75.00%
Dissolution of effervescent tablet	7^th, 8^th or 9^th grades	GSAI = 66.67%
Dissolution of food dye in water	7^th, 8^th or 9^th grades	GSAI = 83.33%
Dissolution of fruit juice in heated water and room temperature	7^th, 8^th or 9^th grades	GSAI = 58.33%
Dissolution of potassium permanganate in heated water and cooled water	7^th, 8^th or 9^th grades	GSAI = 25.00%
Dissolution of potassium permanganate in water	7^th, 8^th or 9^th grades	GSAI = 33.33%
Dissolution of salt in water	7^th, 8^th or 9^th grades	GSAI = 100.00%
Dissolution of sugar in vinegar	7^th, 8^th or 9^th grades	GSAI = 100.00%
Dissolution of sugar in water	7^th, 8^th or 9^th grades	GSAI = 100.00%
Enter a boiled egg into a bottleneck	7^th, 8^th or 9^th grades	GSAI = 66.67%
Eosin disslution in water	7^th, 8^th or 9^th grades	GSAI = 66.67%
Ethanol combustion	7^th, 8^th or 9^th grades	GSAI = 66.67%
Ethanol dissolution in water and water dissolution in ethanol	7^th, 8^th or 9^th grades	GSAI = 66.67%