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AED(د.إ)Grade 10 Life Science Term 1 Practical 2025
R34.50
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Resource Description
The assessment is a 30-mark practical test covering key Life Sciences concepts from term 1. This assessment tests students’ understanding of osmosis, experimental design, data interpretation, and enzyme activity. It includes practical investigations, graphical analysis, and conceptual comparisons, making it a well-rounded Life Sciences assessment for grade 10 learners. It features both theoretical and practical components, designed for easy integration into school templates for moderation. Memo has been included for ease of use.
Section 1: Osmosis Investigation in Plant Tissue
- Students conduct an osmosis experiment using hollowed potato cups in distilled water and salt solution.
- Identify the compartment with the highest water potential and explain why.
- Determine the manipulated independent variable.
- Suggestions for ensuring reliable and valid experimental results.
- Understand the control’s purpose (potato in distilled water).
Section 2: Data Interpretation – Osmosis Results
- Analyze water level observations to interpret experiment results.
- Create a line graph showing changes in the salt solution over time.
- Compare and contrast osmosis and diffusion in a table.
Section 3: Enzyme Activity
- Interpret a graph to assess enzyme function in plants vs. humans and identify optimum temperature range.
- Explain the decrease in enzyme activity after a certain point and the impact of low temperatures.
