Activity C The carbon oxygen balance Get the Gizmo ready

Last updated: 5/17/2023

Activity C The carbon oxygen balance Get the Gizmo ready Click Reset Clear all of the test tubes Turn the light switch to on Check Show oxygen and CO values Question How are the amounts of oxygen and carbon dioxide related to each other 1 Observe Put two Elodea sprigs into a test tube Put the O CO probe into the tube with the Elodea Click Play As the Gizmo runs Pause it a few times C A How do the oxygen O and carbon dioxide CO levels change over time B What is always true about the total amount of O and CO in the test tube What happens when the CO reaches zero 2 Revise and repeat Click Reset Remove the plants Repeat the experiment with two snails A How do the gas levels change What is the total of 0 and CO 2 0 CO