If the scents match, baby and parent should sit down. At the end of the activity, determine how many babies survived by checking whether the codes on the container's lid and bottom match. Collect the scent containers and store them for a future session, if you like. Assessment Ask children to design an experiment to test communication by scent or odor. For example, ants lay down an odor trail between a food source and the nest so that others can find their way.
Many animals urinate at strategic points to define the border of their own territory.
Each group can then try to follow and map out the other group's trail.