English National Curriculum - Science
Mission Objectives
Carry out a practical investigating the effect of sugar concentration on osmosis in plant tissue
Calculate percentage gain/loss in mass of plant tissue
Plot and interpret graphs of sugar concentration vs percentage change
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Words and meanings to learn
osmosis
The movement of water molecules through a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
hypertonic
Hypertonic solutions have a higher concentration of solutes compared to another solution, resulting in water moving out of cells placed in such solutions.
data collection
The process of gathering and measuring information during an experiment.
osmotic point
the concentration of solution at which there is no net movement of water into or out of the cell.
hypotonic
Hypotonic solution has a lower concentration of solutes compared to another solution, causing cells to swell as water flows into them by osmosis.
Samantha is a dedicated and accomplished science educator with over 15 years of leadership experience in the field, coupled with a strong background in scientific analysis. She has a proven track record of strategically managing educational departments, driving operational efficiencies, and nurturing collaborative relationships with stakeholders.
Samantha previously served as the Head of Chemistry and Sixth Form Tutor, Ilkley Grammar School, Ilkley with extensive Key Stage 4 and 5 teaching experience and leadership. In addition to her teaching and leadership roles, she is also an examiner for AQA, providing her with valuable insight into assessment standards and exam specifications.
In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket, where she's enthusiastically honing her skills both on and off the pitch!
Potato cylinders or discs
Sugar solutions (0.0M to 1.0M)
Beakers, test tubes, labels
Balances, rulers, paper towels
Data collection sheets
Graph paper or software (Excel/Google Sheets)
Expert film
Mission assignment film
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