Unit 2 Living things in their environment 2.1 Woodlouse experiment This exercise relates to 2.2 Animal adaptations from the Coursebook. In this exercise, you practise constructing a results chart and interpreting the results of an experiment.
Jon does an experiment to find out if woodlice prefer to be in dark or light places. He sets up a choice chamber, with one side covered with black paper.
lid and sides of one half of chamber uncovered
black paper covering lid and sides of one half of chamber
transparent lid and sides
gauze for woodlice to walk on
Jon puts ten woodlice into the choice chamber, through a hole in the lid. Every two minutes, Jon counts how many woodlice he can see in the uncovered side of the chamber. He does this for 20 minutes. Here are his results.
14
2 Living things in their environment
0, 0 6, 10, 7, 4, 3, 3, 2, 0,