AT 1, 2, 3, 4 and Draw a graph of 5. photosynthesis rate with light intensity and describe results. Provide students with different graph shapes of the four factors against rate of photosynthesis or amount of O2 produced. Ask students to describe what factor is changing, how this affects the others and how the rates change. 4.4.1.3 Uses of glucose The glucose produced in 1 Describe the products plants Demonstrate a range of from photosynthesis may make from glucose plants. products: sunflower seeds, photosynthesis be: flour, vegetable oil, tofu, used for respiration Group the products into how potato, sugar, glucose. converted into insoluble they are used in a plant. Investigate their solubility in starch for storage water to find out how ‘rain‘ used to produce fat or oil for Describe how humans get plants store water-soluble storage nitrogen in their diet from glucose. used to produce cellulose, eating protein (mainly meat). which strengthens the cell Discuss how vegetarians get Students can test onion, wall protein from plants. apple, pear, celery, potato used to produce amino and grapes for: acids for protein synthesis. Compare the elements in starch and sugar using To produce proteins, plants carbohydrates (CHO) with iodine and Benedict’s also use nitrate ions that are protein (CHON). reagent absorbed from the soil. cellulose using Schultz Recap KS3 to describe how the solution (risk assessment plant gets nitrogen from the soil required). through the roots.
AT 1, 2, 3, 4 and 5. Draw a graph of photosynthesis rate with light intensity and describe results. Provide students with different graph shapes of the four factors against rate of photosynthesis or amount of O2 produced. Ask students to describe what factor is changing, how this affects the others and how the rates change. 4.4.1.3 Uses of glucose from photosynthesis The glucose produced in photosynthesis may be: used for respiration converted into insoluble starch for storage used to produce fat or oil for storage used to produce cellulose, which strengthens the cell wall used to produce amino acids for protein synthesis. To produce proteins, plants also use nitrate ions that are absorbed from the soil. 1 Describe the products plants make from glucose plants. Group the products into how they are used in a plant. Describe how humans get nitrogen in their diet from eating protein (mainly meat). Discuss how vegetarians get protein from plants. Compare the elements in carbohydrates (CHO) with protein (CHON). Recap KS3 to describe how the plant gets nitrogen from the soil through the roots. Demonstrate a range of products: sunflower seeds, flour, vegetable oil, tofu, potato, sugar, glucose. Investigate their solubility in ‘rain‘ water to find out how plants store water-soluble glucose. Students can test onion, apple, pear, celery, potato and grapes for: starch and sugar using iodine and Benedict’s reagent cellulose using Schultz solution (risk assessment required).