Year 6 accurate air alcohol artery ash at rest average axis baking powder balanced diet bar chart bar line graph bath salts bicarbonate of soda boiling temperature bubbles buzzer carbohydrate carbon dioxide cell cement change change of state charcoal circuit diagram circuit symbol circulate collect compare complete circuit component conclusion condense conditions conductor consumer data dispersal dissolve dissolve drug egg energy evaluate evaporation evidence exercise explain fair test fat fertilization fertiliser fibre filter food chain force meter freeze gas germ germination graph gravity growth hazard health heart beat heat idea identify insoluble insulator interpret irreversible life cycle light light beam limitation line graph liquid loudness measurement melt microbe mirror mixture muscle natural gas newton nutrients nutrition observation opaque orbit ovary oxygen pattern petal pitch plant food plaster of Paris pollen pollination predator predict present prey producer pulse pulse rate pump record reflection repeat measurements repeat observations reproduction results reversible revolve rotation secondary data sepal side effect solid soluble solution sound sphere spin stamen starch state stationary steam stigma style teeth tension test tobacco tuning upthrust vein vibration virus washing soda water water cycle weight Year 7 abdomen acid adolescence air resistance alkali amphibian association asteroid atmosphere attracted attraction baby carbon carbonates carnivore caustic cell characteristics chromatography classify colour change combustion reactions compound compressible conservation consumer correlation corrosive data logger density diffusion distillation dormant drag eclipse element energy transfer equation expansion feature fetus/foetus filtration food web friction fuel gas pressure generalisation gestation habitat hazard hereditary hibernation hydrochloric acid hydrogen hydroxides indicator inherited insoluble insulation interdependence invertebrate light intensity limb line graph line of best fit litmus lubricants magnetic magnitude mammal mammary glands mass menstruation methane migration multi-cellular neutral nucleus orbit organisms ovary over-wintering oviduct ovulation oxide oxygen particle particle theory penis pH range placenta planet prediction producer product proximity puberty reactant reaction reliability repeat reading reptile repulsion risk sample size satellite saturated solution separate solute solution solvent species sperm strength of evidence suspension taxonomic group testis theory tissues trace uterus vagina variation vertebrate vibration word equation zinc Year 8 absorption aerobic albumen aligned amplitude anomalous results antibiotic antibodies artery atom bacteria basalt breathing bronchus chlorides chlorine circulation coil community composition compound conduction conifers convection cooling rates core crystals data search deposit digestion distribution dynamics ecosystem electromagnet element environmental conditions enzyme epidemic equation erupt evaluate exhale ferns food poisoning formula frequency fungi glucose granite habitat haemoglobin humidity hygiene hypothesis igneous image immunisation immunity infection infectious disease inhale inoculation inspire insulator intestine joule laser lava limestone luminous lungs magma magnetic field metamorphic micro-organisms mineral minerals mirror image molecules mosses nickel noise pollution north-seeking pole obsidian opaque opinion oscillations oscilloscope oxides oxygen concentration pathogen population size porous precipitation precision propagation protease protein pumice pyramid of numbers quadrat sampling qualitative quantitative quartzite radiation range reactants refraction reliable data repeats respire ribcage sample size sandstone sedimentary sequence of events shadow shale signal generator slate sodium solenoid south-seeking pole spectrum starch steel sterilising sufficient data sugars symbol time-lapse photography trachea transect transect translucent transmission transparent trial measurements trials tuning fork using secondary sources vaccination variable vein ventilation villus viruses vitamins volcanic ash volume wave weathering Year 9 acceleration acid rain addiction antagonistic muscles asexual balance biomass breed carbonates catalyst characteristics chlorophyll cilia circulation classification clone compete competition constant speed control accuracy controlling variables counterbalance deficiency dependent variable developing a technique displacement dissipation dynamo electric generator elodea emphysema etiolation fungicide gamete gene genetically modified global warming grafting gravitational attraction heliocentric hydraulic independent variable insecticide kinetic energy lever light gate moment neutralisation nitrates nutrient orbit order of reactivity ozone depletion palisade cell pesticide phlogiston theory photosynthesis pivot pneumatic potential difference potential energy precision product proportional quantitative data reliability/ resistance/drag revolve salt sampling satellite scientific method selective breeding species streamline sulfates/sulphates sustainable development toxin trial run turning effect validity of conclusions variety vegetation cover vitamins weedkiller xylem yield