A test tube rack with tubes showing Bromothymol blue indicator solution colours at different pH

July 19, 2019 | Posted in Demonstrations, Experiments | By

This activity has been adapted from resources created for the Space Academy Applied Sciences KS3 masterclass. In this activity students investigate the CO2 concentration of three different samples and try to identify their source. The context of the experiment can be linked to either planetary/exoplanetary atmospheres, or to climate change.

Download the instructions for CO2 Levels Activity

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