Topic- Photosynthesis and respiration The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club XL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club The PiXL Club 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GCSE Biology   Topic- Photosynthesis and respiration    © Copyright The PiXL Club Ltd, 2017 This resource is strictly for the use of member schools for as long as they remain members of The PiXL Club. It may not be copied, sold nor transferred to a third party or used by the school after membership ceases. Until such time it may be freely used within the member school. All opinions and contributions are those of the authors. The contents of this resource are not connected with nor endorsed by any other company, organisation or institution. www.pixl.org.uk The PiXL Club Ltd, Company number 07321607

GetIT – Photosynthesis and respiration Photosynthesis is an endothermic process by which a plant produces its own food. Respiration is an exothermic process which supplies the body with energy. Leaves enable photosynthesis to occur Respiration is not the same thing as breathing and does happen in plants. Leaves are adapted to perform their function, e.g. they have a large surface area to absorb sunlight. They have many cells that contain chloroplasts which contain chlorophyll. Most of the chemical reactions involved in the process happen in tiny objects inside the cell cytoplasm, called mitochondria. Three factors can limit the speed of photosynthesis: light intensity, carbon dioxide concentration and temperature.

exo thermic endo This means exit This means heat This means enter This is when energy is released to the surroundings This means exit exo thermic endo This means heat This means enter This is when energy is taken in from the surroundings

Match IT Photosynthesis Respiration Aerobic Anaerobic Endothermic   Exothermic reaction occuring in cells to release energy Respiration Site of aerobic respiration Aerobic Endothermic reaction in chloroplasts that uses light energy to react carbon dioxide and water to produce glucose and oxygen Anaerobic Without oxygen Endothermic With oxygen Glucose A simple sugar made by plants and used in respiration. Mitochondria Energy is released to the surroundings. Chloroplast Small organelle that contains chlorophyll. Chlorophyll Energy is taken in from the surroundings. Exothermic A green substance that absorbs light energy.

Match IT - Answers Photosynthesis Respiration Aerobic Anaerobic   Endothermic reaction in chloroplasts that uses light energy to react carbon dioxide and water to produce glucose and oxygen Respiration Exothermic reaction occuring in cells to release energy Aerobic With oxygen Anaerobic Without oxygen Endothermic Energy is taken in from the surroundings. Glucose A simple sugar made by plants and used in respiration. Mitochondria Site of aerobic respiration Chloroplast Small organelle that contains chlorophyll. Chlorophyll A green substance that absorbs light energy. Exothermic Energy is released to the surroundings.

Circle in green the part where photosynthesis happens Label IT Photosynthesis Circle in green the part where photosynthesis happens

Label IT- Answers Cell wall Nucleus Vacuole Ribosome Chloroplast Mitochondria Cytoplasm Cell membrane

Circle in red the part where respiration happens Label IT Circle in red the part where respiration happens Compound Chemical formula Oxygen Carbon dioxide Water Glucose

Compound Chemical formula Oxygen O2 Carbon dioxide CO2 Water H2O Label IT- Answers Cytoplasm Ribosome Nucleus Mitochondria Cell membrane Compound Chemical formula Oxygen O2 Carbon dioxide CO2 Water H2O Glucose C6H12O6

Label IT Photosynthesis Light + + Chlorophyll Respiration + + +

+ + + + + Photosynthesis Respiration Carbon dioxide Water Oxygen Label IT- Answers Photosynthesis Light Carbon dioxide + Water Oxygen + Glucose Chlorophyll Respiration Oxygen Oxygen + + Glucose Carbon dioxide + Energy

Answer the 10 questions as quickly as you can… Get IT Answer the 10 questions as quickly as you can… Which gas is needed for photosynthesis? What type of energy is needed for photosynthesis? Name the waste product of photosynthesis. What is a limiting factor? Tomatoes in a greenhouse grow faster in the carbon dioxide concentration is increased. State the limiting factor here. Where does respiration happen? What product leaves the cells and moves into the capillaries in respiration? What type of respiration needs oxygen? What does anaerobic mean? What is the chemical formula for glucose?

Factor that can affect the rate of photosynthesis Which gas is needed for photosynthesis? What type of energy is needed for photosynthesis? Name the waste product of photosynthesis. What is a limiting factor? Tomatoes in a greenhouse grow faster in the carbon dioxide concentration is increased. State the limiting factor here. Where does respiration happen? What product leaves the cells and moves into the capillaries in respiration? What type of respiration needs oxygen? What does anaerobic mean? What is the chemical formula for glucose? Carbon dioxide Light Oxygen Factor that can affect the rate of photosynthesis Carbon dioxide Mitochondria Carbon dioxide Aerobic Without oxygen C6H12O6