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From IB guides for Physics, Biology, and Chemistry (First Assessment 2016) & IB guide for ESS (First Assessment 2017):
Assessments for SL ESS subject only
Assessments for SL students (Biology, Chemistry, and Physics)
Assessments for HL students (Biology, Chemistry, and Physics)
II. External assessment details - ESS SL subject
Paper 1
Duration: 1 hour
Weighting: 25%
Marks: 40
• Students will be provided with a range of data in a variety of forms relating to a specific, previously unseen case study.
• Questions will be based on the analysis and evaluation of the data in the case study.
• All of the questions are compulsory.
• The questions test assessment objectives 1, 2 and 3.
Paper 2
Duration: 2 hours
Weighting 50%
Marks: 65
• Paper 2 consists of two sections, A and B.
• Section A (25 marks) is made up of short-answer and data-based questions.
• Section B (40 marks) requires students to answer two structured essay questions from a choice of four. Each question is worth 20 marks.
II. External assessment details — SL students
BIOLOGY
Paper 1
Duration: 3⁄4 hour
Weighting: 20%
Marks: 30
• 30 multiple-choice questions on core material, about 15 of which are common with HL.
• The questions on paper 1 test assessment objectives 1, 2 and 3.
• The use of calculators is not permitted.
• No marks are deducted for incorrect answers.
Paper 2
Duration: 11⁄4 hours
Weighting: 40%
Marks: 50
• Data-based question.
• Short-answer and extended-response questions on core material.
• One out of two extended response questions to be attempted by candidates.
• The questions on paper 2 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
Paper 3
Duration: 1 hour
Weighting: 20%
Marks: 35
• This paper will have questions on core and SL option material.
• Section A: candidates answer all questions, two to three short-answer questions based on experimental skills and techniques, analysis and evaluation, using unseen data linked to the core and AHL material.
• Section B: short-answer and extended-response questions from one option.
• The questions on paper 3 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
CHEMISTRY
Paper 1
Duration: 3/4 hour
Weighting: 20%
Marks: 30
• 30 multiple-choice questions on core, about 15 of which are common with HL.
• The questions on paper 1 test assessment objectives 1, 2 and 3.
• The use of calculators is not permitted.
• Students will be provided with a periodic table.
• No marks are deducted for incorrect answers.
Paper 2
Duration: 11⁄4 hours
Weighting: 40%
Marks: 50
• Short-answer and extended-response questions on core material.
• The questions on paper 2 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
• A chemistry data booklet is to be provided by the school.
Paper 3
Duration: 1 hour
Weighting: 20%
Marks: 35
• This paper will have questions on core and SL option material.
• Section A: one data-based question and several short-answer questions on experimental work.
• Section B: short-answer and extended-response questions from one option.
• The questions on paper 3 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
• A chemistry data booklet is to be provided by the school.
PHYSICS
Paper 1
Duration: 3/4 hour
Weighting: 20%
Marks: 30
• 30 multiple-choice questions on core, about 15 of which are common with HL.
• The questions on paper 1 test assessment objectives 1, 2 and 3.
• The use of calculators is not permitted.
• No marks are deducted for incorrect answers.
• A physics data booklet is provided.
Paper 2
Duration: 11⁄4 hours
Weighting: 40%
Marks: 50
• Short-answer and extended-response questions on core material.
• The questions on paper 2 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
• A physics data booklet is provided.
Paper 3
Duration: 1 hour
Weighting: 20%
Marks: 35
• This paper will have questions on core and SL option material.
• Section A: one data-based question and several short-answer questions on experimental work.
• Section B: short-answer and extended-response questions from one option.
• The questions on paper 3 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
• A physics data booklet is provided.
III. External assessment details — HL students
BIOLOGY
Paper 1
Duration: 1 hour
Weighting: 20%
Marks: 40
• 40 multiple-choice questions on core and AHL material, about 15 of which are common with SL.
• The questions on paper 1 test assessment objectives 1, 2 and 3.
• The use of calculators is not permitted.
• No marks are deducted for incorrect answers.
Paper 2
Duration: 21⁄4 hours
Weighting: 36%
Marks: 72
• Data-based question.
• Short-answer and extended-response questions on core and AHL material.
• Two out of three extended response questions to be attempted by candidates.
• The questions on paper 2 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
Paper 3
Duration: 1. 1⁄4 hours
Weighting: 24%
Marks: 45
• Section A: candidates answer all questions, two to three short-answer questions based on experimental
skills and techniques, analysis and evaluation, using unseen data linked to the core material.
• Section B: short-answer and extended-response questions from one option.
• The questions on paper 3 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
CHEMISTRY
Paper 1
Duration: 1 hour
Weighting: 20%
Marks: 40
• 40 multiple-choice questions on core and AHL, about 15 of which are common with SL.
• The questions on paper 1 test assessment objectives 1, 2 and 3.
• The use of calculators is not permitted.
• Students will be provided with a periodic table.
• No marks are deducted for incorrect answers.
Paper 2
Duration: 21⁄4 hours
Weighting: 36%
Marks: 95
• Short-answer and extended-response questions on the core and AHL material.
• The questions on paper 2 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
• A chemistry data booklet is to be provided by the school.
Paper 3
Duration: 1. 1⁄4 hours
Weighting: 24%
Marks: 45
• This paper will have questions on core, AHL and option material.
• Section A: one data-based question and several short-answer questions on experimental work.
• Section B: short-answer and extended-response questions from one option.
• The questions on paper 3 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
• A chemistry data booklet is to be provided by the school.
PHYSICS
Paper 1
Duration: 1 hour
Weighting: 20%
Marks: 40
• 40 multiple-choice questions on core and AHL, about 15 of which are common with SL.
• The questions on paper 1 test assessment objectives 1, 2 and 3.
• The use of calculators is not permitted.
• No marks are deducted for incorrect answers.
• A physics data booklet is provided.
Paper 2
Duration: 21⁄4 hours
Weighting: 36%
Marks: 95
• Short-answer and extended-response questions on the core and AHL material.
• The questions on paper 2 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
• A physics data booklet is provided.
Paper 3
Duration: 1 1⁄4 hours
Weighting: 24%
Marks: 45
• This paper will have questions on core, AHL and option material.
• Section A: one data-based question and several short-answer questions on experimental work.
• Section B: short-answer and extended-response questions from one option.
• The questions on paper 3 test assessment objectives 1, 2 and 3.
• The use of calculators is permitted. (See calculator section on the OCC.)
• A physics data booklet is provided.
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