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GCSE Science New OCR 21st Century (9-1) Exam Revision Checklist

New GCSE 21st Century Science (9-1)

Taught from 2016, examined in 2018

New GCSE 21st Century science (9-1)

The qualifications can be:

  • GCSE Combined Science B
  • GCSE Biology B
  • GCSE Chemistry B
  • GCSE Physics B

 

GCSE Combined Science is replacing GCSE Science and GCSE Additional Science and will be equivalent of two GCSEs (a double award).

GCSE 21st Century combined science (9-1) J260

  • All exams will be sat at the end of the two year course.
  • Four papers: Biology , Chemistry, Physics (1 hour 45 minutes, 90 marks, 26.4% each) and data analysis (1 hour 45 minutes, 75 marks, 20.8%)
  • Grade 9 to 1 will replace the familiar A* to G grading scale.

OCR 21st century Biology or Chemistry or Physics J257/58/59

  • Separate papers for each GCSE, two papers each (90 marks, 50%) lasting 1hr 45mins
SubjectSpecificationSamples
OCR Combined Science B
OCR Biology J257
OCR Chemistry J258
OCR Physics J259

GCSE Biology B

B1: You and your genes

  • B1.1 What is the genome and what does it do?
  • B1.2 How is genetic information inherited?
  • B1.3 How can and should gene technology be used

B2: Keeping healthy

  • B2.1 What are the causes of disease?
  • B2.2 How do organisms protect themselves against pathogens?
  • B2.3 How can we prevent the spread of infections?
  • B2.4 How can we identify the cause of an infection?
  • B2.5 How can lifestyle, genes and the environment affect my health?
  • B2.6 How can we treat disease?

B3: living together

  • B3.1 What happens during photosynthesis?
  • B3.2 How do producers get the substances they need?
  • B3.3 How are organisms in an ecosystem interdependent?
  • B3.4 How are populations affected by conditions in an ecosystem?

B4: using food and controlling growth

  • B4.1 What happens during cellular respiration?
  • B4.2 How do we know about mitochondria and other cell structures?
  • B4.3 How do organisms grow and develop?
  • B4.4 How is plant growth controlled?
  • B4.5 Should we use stem cells to treat damage and disease?

B5: The human body

  • B5.1 How do substances get into, out of and around our bodies?
  • B5.2 How does the nervous system help us respond to changes?
  • B5.3 How do hormones control responses in the human body?
  • B5.4 Why do we need to maintain a constant internal environment?
  • B5.5 What role do hormones play in human reproduction?
  • B5.6 What can happen when organs and control systems stop working?

B6: Life on Earth

  • B6.1 How was the theory of evolution developed?
  • B6.2 How do sexual and asexual reproduction affect evolution?
  • B6.3 How does our understanding of biology help us classify the diversity of organisms on Earth?
  • B6.4 How is biodiversity threatened and how can we protect it?

B7:Ideas about Science

  • IaS1 What needs to be considered when investigating a phenomenon scientifically?
  • IaS2 What conclusions can we make from data?
  • IaS3 How are scientific explanations developed?
  • IaS4 How do science and technology impact society?

GCSE Chemistry B

C1: Air and water

  • C1.1 How has the Earth’s atmosphere changed over time, and why?
  • C1.2 Why are there temperatures changes in chemical reactions?
  • C1.3 What is the evidence for climate change, why is it occurring?
  • C1.4 How can scientists help improve the supply of potable water?

C2: Chemical patterns

  • C2.1 How have our ideas about atoms developed over time?
  • C2.2 What does the Periodic Table tell us about the elements?
  • C2.3 How do metals and non-metals combine to form compound?
  • C2.4 How are equations used to represent chemical reactions?
  • C2.5 What are the properties of transition metals

C3: Chemicals of the natural environment

  • C3.1 How are the atoms held together in a metal?
  • C3.2 How are metals with different reactivities extracted?
  • C3.3 What are electrolytes and what happens during electrolysis?
  • C3.4 Why is crude oil important as a source of new materials?

C4: Material choices

  • C4.1 How is data used to choose a material for a particular use?
  • C4.2 What are the different types of polymers?
  • C4.3 How do bonding and structure affect properties of materials?
  • C4.4 Why are nanoparticles so useful?
  • C4.5 What happens to products at the end of their useful life?

C5: Chemical analysis

  • C5.1 How are chemicals separated and tested for purity?
  • C5.2 How do chemists find the composition of unknown samples?
  • C5.3 How are the amounts of substances in reactions calculated?
  • C5.4 How are the amounts of chemicals in solution measured?

C6: Making Useful Chemicals

  • C6.1 What useful products can be made from acids?
  • C6.2 How do chemists control the rate of reactions?
  • C6.3 What factors affect the yield of chemical reactions?
  • C6.4 How are chemicals made on an industrial scale?

Physics B

P1:Radiation and Waves

  • P1.1 What are the risks and benefits of using radiations?
  • P1.2 What is climate change and what is the evidence for it?
  • P1.3 How do waves behave?
  • P1.4 What happens when light and sound meet different materials?

P2: Sustainable energy

  • P2.1 How much energy do we use?
  • P2.2 How can electricity be generated?

P3: Electric Circuits

  • P3.1 What is electric charge?
  • P3.2 What determines the current in an electric circuit?
  • P3.3 How do series and parallel circuits work?
  • P3.4 What determines the rate of energy transfer in a circuit?
  • P3.5 What are magnetic fields?
  • P3.6 How do electric motors work?
  • P3.7 What is the process inside an electric generator?

P4: Explaining motion

  • P4.1 What are forces?
  • P4.2 How can we describe motion?
  • P4.3 What is the connection between forces and motion?
  • P4.4 How do we describe motion in terms of energy transfers?

P5: Radioactive materials

  • P5.1 What is radioactivity?
  • P5.2 How can radioactive materials be used safely?
  • P5.3 How can radioactive materials be used to provide energy

P6: Matter – models and explanations

  • P6.1 How does energy transform matter?
  • P6.2 How does the particle model explain the effects of heating?
  • P6.3 How does the particle model relate to material under stress?
  • P6.4 How does the particle model relate to pressure in fluids?
  • P6.5 How can scientific models help us understand the Big Bang?y

P7: Ideas about Science

  • IaS1 What needs to be considered when investigating phenomenon scientifically?
  • IaS4 How do science and technology impact society?
  • IaS2 What conclusions can we make from data?
  • IaS3 How are scientific explanations developed?