RESULTS Table 1. Colour of Solutions in Test Tubes. Contents Conditions Hours of 1 hr 5 hrs ~20 hrsa Sunlight: 0 hrs 1A Water Light Yellowy Blue-green - Pale green - no BTB green/blue more green blue visible than blue 1B Greenish - Turning Pale green, Green - touch of green - not less yellow darker than blue much blue than 1A 1A 2A Water Light Straw yellow Still yellow Yellow Slightly paler CO2 colour yellow 2B BTB Straw yellow Still yellow Yellow Pale yellow - colour darker than 2A 3A Water Light Straw yellow Yellow Pale Light green - CO2 colour /green green/blue not as green BTB as 1B Waterweed 3B Straw yellow Yellow Pale Green- colour /green - green/blue slightly more green yellower than 3A than 3A 4A Water Dark Straw yellow Lighter Light straw Yellowish - CO2 (wrapped in colour yellow than yellow greener than BTB alfoil) 2A 2A Waterweed 4B Straw yellow Yellow, not Lighter than Same as 4A colour really green 4A 5A Water Low light yellow Greenish, bit Greenish Greenish - CO2 (wrapped in colour of yellow yellow not blue BTB blue plastic) visible green Waterweed 5B Straw yellow Same as 5A Greener than Lighter green colour 5A than 5A a. Observations were taken 0, 1, 5 and 35 hours after the experiment began. This equated to 0, 1, 5 and 20 hours of sunlight, respectively.
RESULTS Table 1. Colour of Solutions in Test Tubes. Contents Conditions Hours of Sunlight: 0 hrs 1 hr 5 hrs ~20 hrsa 1A Water BTB Light Yellowy green/blue Blue-green - more green than blue Pale green - no blue visible 1B Greenish - touch of blue Turning green - not much blue Pale green, less yellow than 1A Green - darker than 1A 2A Water CO2 BTB Light Straw yellow colour Still yellow Yellow Slightly paler yellow 2B Straw yellow colour Still yellow Yellow Pale yellow - darker than 2A 3A Water CO2 BTB Waterweed Light Straw yellow colour Yellow /green Pale green/blue Light green - not as green as 1B 3B Straw yellow colour Yellow /green - more green than 3A Pale green/blue Green- slightly yellower than 3A 4A Water CO2 BTB Waterweed Dark (wrapped in alfoil) Straw yellow colour Lighter yellow than 2A Light straw yellow Yellowish - greener than 2A 4B Straw yellow colour Yellow, not really green Lighter than 4A Same as 4A 5A Water CO2 BTB Waterweed Low light (wrapped in blue plastic) yellow colour Greenish, bit of yellow visible Greenish yellow Greenish - not blue green 5B Straw yellow colour Same as 5A Greener than 5A Lighter green than 5A a. Observations were taken 0, 1, 5 and 35 hours after the experiment began. This equated to 0, 1, 5 and 20 hours of sunlight, respectively.
joel-johnson-experiment-7-yr-11-fcsde.docx