... for increasing soil carbon storage in different conditions – considering issues such as soil type. The experiments follow the claim, evidence, reasoning (CER) instructional framework ( McNeill & Krajcik, 2008 ), in which students construct a scientific argument based on experimental evidence from...

...Jennifer J. Templeton Territoriality and the factors that influence the outcome of animal contests are easy to study in a lab using convict cichlid fish (Archocentrus nigrofasciatus) . I present a two-week laboratory experiment suitable for high school and college students. In the first week...

..., planning experiments, and collecting and interpreting data. An experiment, as opposed to an observation, comprises variables and conditions that can be systematically altered by the experimenter. The ultimate aim of an experiment is to confirm or disprove a hypothesis or a question, to elucidate cause...