WJEC GCSE The Sciences (Double Award) (3455QD) revision

Free interactive The Sciences (Double Award) revision for WJEC GCSE, matched to the WJEC GCSE The Sciences (Double Award) (3455QD) specification.

What the specification covers

U1 Unit 1: Biology - Basis of Life (written exam)

1.1 Cell structure and function
1.2 Metabolism (what keeps cells alive)
1.3 Systems (how organs work together)
1.4 Interdependence of organisms (how organisms live together)

U2 Unit 2: Chemistry - Chemical Substances and How They Behave (written exam)

2.1 Matter (what are materials made from?)
2.2 Electronic Structure and Periodicity (can we predict how elements behave?)
2.3 Rates of Reaction (can we control the speed of a reaction?)
2.4 The Earth's essential resources (how can we preserve the planet?)

U3 Unit 3: Physics - Forces, Motion and the Universe (written exam)

3.1 Motion (how do objects move?)
3.2 Energy Resources and Efficiency (electricity for the future)
3.3 Forces (how do forces interact with objects?)
3.4 Waves (what are waves?)
3.5 Our Universe (the wonders of the universe)

U4 Unit 4: Biology - Continuity of Life (written exam)

4.1 Biodiversity (impacts of human activity on ecosystems)
4.2 Inheritance (how do organisms grow and reproduce?)
4.3 Evolution (why are organisms so different?)
4.4 Control systems (how do organisms react to their environment?)
4.5 Human health (causes, prevention and treatment of disease)

U5 Unit 5: Chemistry - Chemical Bonding, Reactions and Resources (written exam)

5.1 Chemical bonding and structure (why do materials behave so differently?)
5.2 Acid reactions (how can we make and identify salts?)
5.3 Metals and their extraction (chemical resources for new technologies)
5.4 Crude oil (why is it still an essential resource?)

U6 Unit 6: Physics - Waves, Electricity and Energy (written exam)

6.1 Radioactivity (what is radioactivity and how do we use it?)
6.2 Waves (how do we use the waves around us?)
6.3 Electricity (exploring electrical circuits and their uses)
6.4 Energy (transferring energy efficiently)
6.5 Electromagnetism (how is electromagnetism used?)
6.6 The Universe (what is out there?)

U7 Unit 7: Scientific Enquiry (practical + written, skills)

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The topic list above is the specification itself, not our summary of it. Work down it and mark every topic you could not explain to someone else: that is your revision plan for The Sciences (Double Award).

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