4.2 Transport over larger distances 4.2.1 Systems in the human body Spec Summary of the specification Learning outcomes Suggested Opportunities to develop Opportunities to apply Self/peer assessment ref. content timing Scientific Communication skills practical and enquiry Opportunities and What most candidates (hours) skills resources should be able to do Reference to past questions that indicate success 4.2.1.1 Respiration in cells can take that all animals 1 Show energy glucose Consider a bottle of place aerobically (using and plants produce tablets and a plant. Lucozade, glucose Discussion prompts oxygen) or anaerobically carbon dioxide and tablets and a Discuss substance the body for considering (without oxygen). water all the time as a uses as a source of energy Demonstrate the energy release: by-product of aerobic Aerobic respiration is an and what aerobic means in release of energy from bottle of respiration. exothermic reaction order to build up the word food. Lucozade Write the word represented by word and equation for aerobic Investigate inhaled and glucose tablets equation for aerobic symbol equations. respiration. exhaled air. respiration. glucose + oxygen carbon Demonstrate burning food is Demonstrate that Demonstration of Define the term dioxide + water an exothermic reaction. → animals and plants in release of energy: ‘aerobic’. An exothermic reaction is Watch BBC video clip about the dark respire and Describe what mounted one that transfers energy to respiration. release carbon dioxide. organisms need needle or tongs its surroundings. energy for. Discuss how to show that Demonstrate that of food Describe tests for Organisms need energy for: humans transfer energy and germinating peas/ boiling tube of carbon dioxide and produce water and carbon seeds transfer energy water Chemical reactions water. dioxide. Relate these as heat. Observe thermometer. to build larger observations to the word results in following State the site of clip: molecules equation for aerobic lesson. aerobic respiration Movement respiration. and be able to give Keeping warm. Observe EM images of Exhaled air examples of cells that that mitochondria in cells mitochondria in demonstration: contain a lot of are the site of aerobic different types of cells respiration (links to 4.1.3.2). and make conclusions.
4.2 Transport over larger distances 4.2.1 Systems in the human body Spec ref. Summary of the specification content Learning outcomes What most candidates should be able to do Suggested timing (hours) Opportunities to develop Scientific Communication skills Opportunities to apply practical and enquiry skills Self/peer assessment Opportunities and resources Reference to past questions that indicate success 4.2.1.1 Respiration in cells can take place aerobically (using oxygen) or anaerobically (without oxygen). Aerobic respiration is an exothermic reaction represented by word and symbol equations. glucose + oxygen carbon → dioxide + water An exothermic reaction is one that transfers energy to its surroundings. Organisms need energy for: Chemical reactions to build larger molecules Movement Keeping warm. that all animals and plants produce carbon dioxide and water all the time as a by-product of aerobic respiration. Write the word equation for aerobic respiration. Define the term ‘aerobic’. Describe what organisms need energy for. Describe tests for carbon dioxide and water. State the site of aerobic respiration and be able to give examples of cells that contain a lot of 1 Show energy glucose tablets and a plant. Discuss substance the body uses as a source of energy and what aerobic means in order to build up the word equation for aerobic respiration. Demonstrate burning food is an exothermic reaction. Watch BBC video clip about respiration. Discuss how to show that humans transfer energy and produce water and carbon dioxide. Relate these observations to the word equation for aerobic respiration. that mitochondria in cells are the site of aerobic respiration (links to 4.1.3.2). Consider a bottle of Lucozade, glucose tablets and a Demonstrate the release of energy from food. Investigate inhaled and exhaled air. Demonstrate that animals and plants in the dark respire and release carbon dioxide. Demonstrate that germinating peas/ seeds transfer energy as heat. Observe results in following lesson. Observe EM images of mitochondria in different types of cells and make conclusions. Discussion prompts for considering energy release: bottle of Lucozade glucose tablets Demonstration of release of energy: mounted needle or tongs of food boiling tube of water thermometer. clip: Exhaled air demonstration:
AQA-8465-SOW-TOLD.DOCX