Sandfield Park

Alder Centre for Education

Class 10b

10b Timetable 2024/25

Science

Osmosis Required Practical

As part of the GCSE Biology course we have been learning about the process of Diffusion and Osmosis.

Osmosis Required Practical

This practical investigates osmosis, the movement of water molecules across a semi-permeable membrane from a region of higher water concentration to a region of lower water concentration. Students typically used potato cylinders of equal size and immerse them in solutions of varying salt concentrations.

By measuring the change in mass of the potato cylinders after a set time, they can determine the concentration of the potato cells and observe the effects of osmosis.

 Student Success and Enjoyment

Throughout this practical, students demonstrated remarkable dedication and enthusiasm. They meticulously prepared the potato cylinders, ensuring accuracy and consistency in their measurements. Their careful observation and recording of data showcased their scientific skills.

The use of potatoes as the experimental material added a unique and engaging element to the practical. Students enjoyed the hands-on experience and found the process both fun and informative.

Valuable Skills Gained

This practical provided students with a valuable opportunity to develop essential scientific skills, including:

  • Experimental Design: Planning and carrying out a controlled experiment, identifying variables and controlling them.
  • Data Collection and Analysis: Accurately measuring and recording data, constructing and interpreting graphs, drawing conclusions from observations.
  • Teamwork and Communication: Collaborating with peers, discussing findings, and presenting results effectively.
  • Practical Skills: Developing fine motor skills, handling laboratory equipment safely and responsibly.

By actively engaging in this practical, students not only gained a deeper understanding of osmosis but also honed crucial scientific and life skills that will be invaluable in their future academic and personal pursuits.