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 7th, 8th or 9th grades

GSAI = 41.67%

Candle combustion 7th, 8th or 9th grades

GSAI = 58.33%

Carbon combustion 7th, 8th or 9th grades

GSAI = 41.67%

Chemical reaction between barium chloride and sodium sulfate 7th, 8th or 9th grades

GSAI = 58.33%

Chemical reaction between bleach and lemon juice 7th, 8th or 9th grades

GSAI = 41.67%

Chemical reaction between calcium nitrate and sodium carbonate 7th, 8th or 9th grades

GSAI = 58.33%

Chemical reaction between calcium nitrate and zinc(II) chloride 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between copper coins and vinegar 7th, 8th or 9th grades

GSAI = 50.00%

Chemical reaction between copper(II) sulfate and sodium hydroxide 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between Epsom salts and ammoniacal detergent 7th, 8th or 9th grades

GSAI = 50.00%

Chemical reaction between hydrochloric acid and Alka Seltzer 7th, 8th or 9th grades

GSAI = 66.67%

Chemical reaction between hydrochloric acid and aluminium 7th, 8th or 9th grades

GSAI = 41.67%

Chemical reaction between hydrochloric acid and ammoniacal detergent 7th, 8th or 9th grades

GSAI = 41.67%

Chemical reaction between hydrochloric acid and calcium carbonate 7th, 8th or 9th grades

GSAI = 66.67%

Chemical reaction between hydrochloric acid and eggshell 7th, 8th or 9th grades

GSAI = 75.00%

Chemical reaction between hydrochloric acid and iron 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between hydrochloric acid and magnesium 7th, 8th or 9th grades

GSAI = 50.00%

Chemical reaction between hydrochloric acid and sodium bicarbonate 7th, 8th or 9th grades

GSAI = 66.67%

Chemical reaction between hydrochloric acid and sodium hydroxide 7th, 8th or 9th grades

GSAI = 50.00%

Chemical reaction between hydrochloric acid and sodium hydroxide (using phenolphthalein and universal indicator paper) 7th, 8th or 9th grades

GSAI = 50.00%

Chemical reaction between hydrochloric acid and sodium hydroxide (using phenolphthalein as indicator) 7th, 8th or 9th grades

GSAI = 50.00%

Chemical reaction between hydrochloric acid and sodium hydroxide (using universal indicator paper as indicator) 7th, 8th or 9th grades

GSAI = 58.33%

Chemical reaction between hydrochloric acid and sodium hydroxide (using universal indicator solution as indicator) 7th, 8th or 9th grades

GSAI = 50.00%

Chemical reaction between hydrochloric acid and sodium thiosulfate 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between hydrochloric acid and zinc 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between iron and copper sulfate 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between iron silver nitrate and a nail 7th, 8th or 9th grades

GSAI = 41.67%

Chemical reaction between lead mitrate and potassium chromate 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between lead nitrate and calcium chloride 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between lead nitrate and potassium iodide 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between lead nitrate and sodium chloride 7th, 8th or 9th grades

GSAI = 41.67%

Chemical reaction between lead nitrate and sodium sulfate 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between magnesium sulfate and sodium carbonate 7th, 8th or 9th grades

GSAI = 75.00%

Chemical reaction between nitric acid and copper 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between nitric acid and potassium hydroxide 7th, 8th or 9th grades

GSAI = 25.00%

Chemical reaction between potassium bromide and silver nitrate 7th, 8th or 9th grades

GSAI = 41.67%

Chemical reaction between potassium permanganate and glycerol 7th, 8th or 9th grades

GSAI = 50.00%

Chemical reaction between silver nitrate and copper. 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between silver nitrate and nickel chloride 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between silver nitrate and potassium chromate 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between silver nitrate and potassium iodide 7th, 8th or 9th grades

GSAI = 33.33%

Chemical reaction between silver nitrate and sodium carbonate 7th, 8th or 9th grades

GSAI = 41.67%

Chemical reaction between sodium and chlorine 7th, 8th or 9th grades

GSAI = 25.00%

Chemical reaction between sodium carbonate and calcium chloride 7th, 8th or 9th grades

GSAI = 91.67%

Chemical reaction between sodium carbonate and copper(II) sulfate 7th, 8th or 9th grades

GSAI = 58.33%

Chemical reaction between sodium chloride and silver nitrate 7th, 8th or 9th grades

GSAI = 41.67%

Chemical reaction between sodium hydroxide and carbon dioxide 7th, 8th or 9th grades

GSAI = 50.00%

Chemical reaction between sulfuric acid and zinc 7th, 8th or 9th grades

GSAI = 41.67%

Chemical reaction between the hydrochloric acid and chalk 7th, 8th or 9th grades

GSAI = 66.67%

Chemical reaction between vinegar and calcium carbonate 7th, 8th or 9th grades

GSAI = 58.33%

Chemical reaction between vinegar or lemon with sodium bicarbonate or ferment 7th, 8th or 9th grades

GSAI = 75.00%

Chemical reaction between zinc(II) chloride and sodium carbonate 7th, 8th or 9th grades

GSAI = 58.33%

Chemical reaction speed - comparing the reactions of hydrochloric acid with magnesium and zinc 7th, 8th or 9th grades

GSAI = 33.33%

Chocolate fusion 7th, 8th or 9th grades

GSAI = 91.67%

Classification of water using acid-base indicators Secondary (10th, 11th or 12th grades)

GSAI = 41.67%

Cleaning a copper coin with Coca-Cola 7th, 8th or 9th grades

GSAI = 33.33%

Collapse a soda can 7th, 8th or 9th grades

GSAI = 66.67%

Cool and warm up air in balloons 7th, 8th or 9th grades

GSAI = 91.67%

Copper combustion 7th, 8th or 9th grades

GSAI = 25.00%

Crystallization of sugar (saccharose) 7th, 8th or 9th grades

GSAI = 100.00%

Decomposition of ammonium chloride 7th, 8th or 9th grades

GSAI = 16.67%

Decomposition of baking soda or ferment 7th, 8th or 9th grades

GSAI = 25.00%

Decomposition of hydrogen peroxide 7th, 8th or 9th grades

GSAI = 75.00%

Decomposition of mercury(II) oxide 7th, 8th or 9th grades

GSAI = 16.67%

Decomposition of potassium permanganate 7th, 8th or 9th grades

GSAI = 16.67%

Decomposition of silver bromide 7th, 8th or 9th grades

GSAI = 33.33%

Decomposition of silver chloride 7th, 8th or 9th grades

GSAI = 33.33%

Decomposition of water 7th, 8th or 9th grades

GSAI = 66.67%

Desalinate salt water Secondary (10th, 11th or 12th grades)

GSAI = 91.67%

Determination of the boiling point of acetone 7th, 8th or 9th grades

GSAI = 50.00%

Determination of the boiling point of ethanol 7th, 8th or 9th grades

GSAI = 58.33%

Determination of the boiling point of water 7th, 8th or 9th grades

GSAI = 83.33%

Determination of the density of acetone 7th, 8th or 9th grades

GSAI = 58.33%

Determination of the density of aluminum 7th, 8th or 9th grades

GSAI = 66.67%

Determination of the density of cooking oil 7th, 8th or 9th grades

GSAI = 100.00%

Determination of the density of copper 7th, 8th or 9th grades

GSAI = 66.67%

Determination of the density of ethanol 7th, 8th or 9th grades

GSAI = 66.67%

Determination of the density of glycerin 7th, 8th or 9th grades

GSAI = 100.00%

Determination of the density of iron 7th, 8th or 9th grades

GSAI = 66.67%

Determination of the density of lead 7th, 8th or 9th grades

GSAI = 50.00%

Determination of the density of olive oil 7th, 8th or 9th grades

GSAI = 100.00%

Determination of the density of water 7th, 8th or 9th grades

GSAI = 100.00%

Determination of the density of zinc 7th, 8th or 9th grades

GSAI = 50.00%

Determination of the enthalpy of combustion of some alcohols (in construction) Secondary (12th grade)

No GS

Determination of the fusion point of sulfur 7th, 8th or 9th grades

GSAI = 25.00%

Determination of the melting point of naphthalene 7th, 8th or 9th grades

GSAI = 25.00%

Determination of the melting point of the water 7th, 8th or 9th grades

GSAI = 100.00%

Determination of the neutralization enthalpy of the reation NaOH (aq) + HCl (aq) (in construction) Secondary (12th grade)

No GS

Dissolution of ammonium chloride in water 7th, 8th or 9th grades

GSAI = 50.00%

Dissolution of calcium chloride in water 7th, 8th or 9th grades

GSAI = 75.00%

Dissolution of effervescent tablet 7th, 8th or 9th grades

GSAI = 66.67%

Dissolution of food dye in water 7th, 8th or 9th grades

GSAI = 83.33%

Dissolution of fruit juice in heated water and room temperature 7th, 8th or 9th grades

GSAI = 58.33%

Dissolution of potassium permanganate in heated water and cooled water 7th, 8th or 9th grades

GSAI = 25.00%

Dissolution of potassium permanganate in water 7th, 8th or 9th grades

GSAI = 33.33%

Dissolution of salt in water 7th, 8th or 9th grades

GSAI = 100.00%

Dissolution of sugar in vinegar 7th, 8th or 9th grades

GSAI = 100.00%

Dissolution of sugar in water 7th, 8th or 9th grades

GSAI = 100.00%

Enter a boiled egg into a bottleneck 7th, 8th or 9th grades

GSAI = 66.67%

Eosin disslution in water 7th, 8th or 9th grades

GSAI = 66.67%

Ethanol combustion 7th, 8th or 9th grades

GSAI = 66.67%

Ethanol dissolution in water and water dissolution in ethanol 7th, 8th or 9th grades

GSAI = 66.67%