Ruba Salah

igcse dr. ruba bcc school biology grade 9 2019 2018 grade10 biology cambridge syllabus british curriculum grade 6 grade 10 biology edexcel syllabus chapter 1 human biology edexcel syllabus primary checkpoint chapter 2 bcc 2020 year 6 cambridge international characteristics & classification of living things bcc. cambridge checkpoint science coordination and response chapter 12 chapter 3 o-level core biology cambridge primary checkpoint grade 7 chemistry chapter 13 cells caie 9-1 2022 chapter 4 dr.ruba secondary checkpoint chapter 5 biological molecules core olevel types of rocks soil types ecology chapter 14 reproduction in plants drugs chapter 11 chapter 8 transport in plants chapter 7 chapter 6 movement of molecules biology core biology 0970 characteristics of living year 9 earth & beyond year 10 cells to organisms coordination in plants metalliods non metals transport in humans respiration enzymes human diet supplement periodic table elements mixtures acc school sound and hearing chapter 17 chapter 15 eye hormones chapter 9 circulatory system digestive system nutrition in plants active transport osmosis diffusion 0970 cells to systems core syllsbus malaria british syllabus health & disease reproductive system respiratory system cells to organ system mrsgren workshop parents year 5 year 4 year 3 year 2 homeostasis & excretion disease & immunity chapter 10 digestion & absorption plant nutrition diffusion osmosis active transport organ systems organs tissues cambridge syllabus gr.10 gr. 9 nicotine tobacco smoking rock cycle forces & motion compunds metals properties of matter introduction to chemistry atomic structure translocation transpiration phloem xylem lymphatic system heart & blood vessels culatory system o level 2018 diffusion osmosis active transport grade9 compounds human organ systems invertebrates. plants humus sand silt clay checkpoint cambridge human effect onecosystems chapter 16 variation and evolution cell dividion and inheritance human reproduction 2 human reproduction nervous system coordination abd response excretory system homeostasis classification