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Unit 6 of 7

Global Challenges

OCR Gateway GCSE Combined Science A J250 — Chemistry · 12 lessons · 9 quizzes

Start the first lesson

6.1

Unit 6 overview: Global Challenges20 min

6.1.1

Extracting Metals20 min

6.1.2

Biological Extraction Methods20 min

6.1.3

Life Cycle Assessment20 min

6.1.4

Recycling Materials20 min

6.2.1

Crude Oil and Fractional Distillation20 min

6.2.2

6.3.1

Origins of the Atmosphere20 min

6.3.2

The Greenhouse Effect20 min

6.3.3

Climate Change20 min

6.3.4

Atmospheric Pollutants20 min

6.3.5

Potable Water20 min

Practice for this unit

6.1.1 Extracting Metals - MCQ practice (4 questions)

Marked questions with instant feedback and a full review.

6.1.2 Biological Extraction Methods - MCQ practice (3 questions)

Marked questions with instant feedback and a full review.

6.2.1 Crude Oil and Fractional Distillation - MCQ practice (32 questions)

Marked questions with instant feedback and a full review.

6.2.2 Cracking - MCQ practice (2 questions)

Marked questions with instant feedback and a full review.

6.3.1 Origins of the Atmosphere - MCQ practice (19 questions)

Marked questions with instant feedback and a full review.

6.3.2 The Greenhouse Effect - MCQ practice (5 questions)

Marked questions with instant feedback and a full review.

6.3.3 Climate Change - MCQ practice (5 questions)

Marked questions with instant feedback and a full review.

6.3.4 Atmospheric Pollutants - MCQ practice (11 questions)

Marked questions with instant feedback and a full review.

6.3.5 Potable Water - MCQ practice (23 questions)

Marked questions with instant feedback and a full review.