Monday 24 June 2024

Aphid lifecycle


 Black flies and green flies are attacking the plants. Now seems an excellent time for the students to investigate life births and how they feed through the phloem. This is a great homework investigation for the movement of stuff in plants.

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Determining molecular mass

  Heating a gas syringe to 100C using steam from a steam generator and then adding a known mass of a volatile liquid allows us to determine ...