Edhod5 Assignment

2621 words - 11 pages


QUESTION 1 Assessment Activity : Conduct a practical investigation to determine the effect on the rate of a chemical reaction by one of the factors of temperature, surface area or concentration. Assessment Checklist Learners Name & Surname : Physical Sciences Task : Practical Investigation of Effect on Rate of Reaction by temperature, surface area or concentration Date : Criteria Investigative Question Hypothesis Variables Correctly Identified Table of Results Graph of Results Conclusion Yes/No Grade 12

Assessment Grid Learners Name & Surname : Physical Sciences Task : Practical Investigation of Effect on Rate of ...view middle of the document...

 Achieves level 1  Uses specific skills to interpret the data by drawing graphs to show the difference in tempo  Achieves level 1  Determines the correct way to draw a graph applicable to the problem   Achieves level 1 Data is presented in an organised way in labelled tables

 Achieves level 1 and 2  Effectively manipulates the apparatus and collects accurate data

 Achieves level 1, 2 and 3  Controls more than one variable, collects and records data accurately

 Achieves level 1 and 2  Able to draw logical conclusion that correctly proves or disproves the hypothesis  Achieves level 1 and 2  Obtain correct answers by interpreting the gradients of the graphs

 Achieves level 1, 2 and 3  Able to apply the collision theory correctly and uses such to evaluate and draw a conclusion  Achieves level 1, 2 and 3  Writes a report that suggests how a real problem should be solved  Achieves level 1, 2 and 3  Raises meaningful and logical scientific arguments and suggests a reasonable solution

Communicate data, presents information and raises scientific argument

Did not attempt or completely incorrect

Write up is presented in a systematic and logical manner

 Achieves level 1 and 2  Data is communicated and represented scientifically in writing (scientific report)

QUESTION 2 ASSESSMENT STRATEGY 1 1. 2. 3. SUBJECT : Physical Sciences; GRADE : 12; TOPIC : Testing Batteries LEARNING OUTCOME : LO1 and LO2 AND LO 3 ASSESSMENT STANDARDS : AS 1 (recalling and stating specified concepts) AS2 (indicate and explaining relationships) AS 3 (applying scientific knowledge) 4. WHO IS THE ASSESSOR The educator. 5. ASSESSMENT INSTRUMENTS A basic memorandum on the chemical reaction of batteries and the scientific facts will be used, together with a rubric to assess the scientific write up and the practical of testing the batteries. 6. ASSESSMENT CRITERIA Aim of the investigation stated clearly. Procedure to ascertain the difference between the batteries described correctly and logically. Results recorded correctly in a table and graph, and by using equations. Valid conclusion based on the practical experiment. Neatness and general presentation


ASSESSMENT PRODUCTS SUBMITTED BY LEARNER Learners must do research on the different types of batteries available and present their findings in a scientific write up of no less than 10 pages, which must include a contents page and full bibliography. They must perform some sort of experiment (chosen by them) to illustrate the differences between various batteries and the full details of this experiment must be included in the write up, which must be accompanied by tables of

results, graphs and the necessary chemical equations. The write up must also include a discussion on the impact of the disposal of batteries on the environment. 8. LEARNING STYLES, APTITUDE AND INTERESTS I would consider that certain learners would be keener to do the practical experiment of illustrating the...

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