P_4 SCIENCE LESSON NOTES term 1.pdf

FOR TERMONE. 1 PRIMARY P.4 SCIENCE LESSONNOTES MOTHERMAJERI SCHOOL fir cedar pines cypress podo sporeproducing CLASSIFICATIONOFPLANTS Nonfloweringplants 2 FloweringPlants Non-FloweringPlants FLOWERINGPLANTS Floweringplantsareplantsthatbearflowers 1.Whatarenon-floweringplants? Nonfloweringplantsareplantsthatdonotbearflowers conifers ferns mosses liverworts horsetails EXAMPLESOFFLOWERINGPLANTS PLANTLIFE Monocots Dicots SporeProducing Conifers(SeedProducing) P.4SCIENCELESSONNOTESFOR2020 PLANTS MOTHERMAJERIPRIMARYSCHOOL 3 Partsoftherootsystem Partoftheplantthatgrowsdownwardintothesoil. Partsofafloweringplant. Taproot Rootcap Roothair Lateralroots SYSTEMSOFAFLOWERINGPLANT 2.Thefloweringplanthastwosystemsnamely: a)Shootsystem b)Rootsystem Rootsystem. Beanplant Peasplant Maizeplant Groundnutsplant Milletplant riceplantetc 1.Thisisthepartofaplantwhichgrowsinthesoil. ROOTS 4  Rootsholdtheplantfirmlyintothesoil.  Rootsabsorbwaterandmineralsaltsfromthesoil.  Someplantsstorefoodfortheroots.E.g.cassavaroots,sweetpotato roots,carrotrootsetc. Importanceofrootstoman o primaryroots o secondaryroots PRIMARYROOTS Whatareprimaryroots? Rootsthatstorefoodarecalledroottubers. Typesofroots EXAMPLESOFPRIMARYROOTS TAPROOT Taproot Fibrousroots a)Somerootsprovidemanwithfood.e.g.Cassava,Sweetpotatoesand Carrots. b)Somerootsareusedasherbalmedicine. c)Somerootsareusedtomakecraftitems. d)Rootsareusedaswoodfuel e)Somerootsaresoldtogetmoney Note: Primaryrootsarerootsthatdevelopfromthe