Questions: The atmosphere and using resources
Pick a question type. Each time you get new numbers. Free ones are marked free.
The Earth's atmosphere, then and now
- Volume of a gas in a sample of airEstimate, 2 marks, free
- Percentage of a gas in a sampleCalculate, 2 marks, free
- What dry air is made ofChoose, 1 mark, free
- The order of events in the early atmosphereChoose, 1 mark, free
- Where the gases came from and wentChoose, 1 mark, free
- Balancing an equation from the atmosphere topicComplete, 2 marks, free
- How the atmosphere changed (6 marks)Describe, 6 marks, free
Greenhouse gases, climate change and air pollution
- How the greenhouse effect worksChoose, 1 mark, free
- Spotting a greenhouse gasChoose, 1 mark, free
- Which greenhouse gas an activity addsChoose, 1 mark, free
- Reading a greenhouse gas graph and a percentage increaseCalculate, 3 marks, free
- Percentage change from a data tableCalculate, 2 marks, free
- Atmospheric pollutants and their effectsChoose, 1 mark, free
- Mass of sulfur dioxide from burning a fuelCalculate, 3 marks, free
- Carbon footprint of a commuteCalculate, 5 marks, Plus
- Effects of global climate changeChoose, 1 mark, Plus
Earth's resources and potable water
- Finite and renewable resourcesChoose, 1 mark, Plus
- Putting water treatment steps in orderComplete, 2 marks, Plus
- Filtering and sterilising drinking waterChoose, 1 mark, Plus
- DesalinationChoose, 1 mark, Plus
- Required practical: mass of dissolved solidsCalculate, 4 marks, Plus
- Required practical: repeats, anomaly and meanDetermine, 5 marks, Plus
- Plan: analysing and purifying a water sample (6 marks)Describe, 6 marks, Plus
- Required practical: pH and distillationChoose, 1 mark, Plus
- Treating waste waterChoose, 1 mark, Plus
Extracting copper differently, life cycles and recycling
- PhytominingChoose, 1 mark, Plus, Higher tier
- Bioleaching and getting the metal outChoose, 1 mark, Plus, Higher tier
- Mass of scrap iron to displace copperCalculate, 3 marks, Plus, Higher tier
- Reading a life cycle assessmentCompare, 3 marks, Plus
- What a life cycle assessment can and cannot tell youChoose, 1 mark, Plus
- Reduce, reuse and recycleChoose, 1 mark, Plus
- Energy saved by recyclingCalculate, 4 marks, Plus
Corrosion, alloys and useful materials
- Rusting experiment: what the tubes showChoose, 1 mark, Plus, Chemistry only
- Preventing corrosionChoose, 1 mark, Plus, Chemistry only
- Gold carats as a percentageCalculate, 4 marks, Plus, Chemistry only
- Percentage composition of an alloyCalculate, 2 marks, Plus, Chemistry only
- Alloys and their usesChoose, 1 mark, Plus, Chemistry only
- Thermosoftening and thermosetting polymersChoose, 1 mark, Plus, Chemistry only
- Glass, ceramics and compositesChoose, 1 mark, Plus, Chemistry only
The Haber process and NPK fertilisers
- Haber process conditionsChoose, 1 mark, Plus, Chemistry only
- Why the Haber conditions are a compromiseExplain, 1 mark, Plus, Chemistry only, Higher tier
- Mass of ammonia from nitrogenCalculate, 5 marks, Plus, Chemistry only, Higher tier
- Reading Haber process yield dataDetermine, 4 marks, Plus, Chemistry only
- Percentage of a nutrient in a fertiliserCalculate, 5 marks, Plus, Chemistry only
- NPK fertilisers and how they are madeChoose, 1 mark, Plus, Chemistry only
- Evaluating the Haber process conditions (6 marks)Evaluate, 6 marks, Plus, Chemistry only, Higher tier
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