This booklet is designed to help you

revise the key ideas found in Years 7-9.

You will see many topics you have

already covered in your lessons.

Use this booklet like an additional set

of notes and then make your own spider

diagrams to go with it.

Remember this is just a start and there

is a lot more you need to know!

Mr Powell

kidney molecule parasite reactivity spectrum ultraviolet

kilogram moment particle reduction sperm unsaturated

kinetic monohybrid penicillin reflection stimulus universe

L motor periodic table refraction stomata uterus

larva mucous peristalsis renewable stratosphere V

ligament mutation phloem reproduction sublimation vacuole

liquid N photosynthesis repulsion sulphate vacuum

longitudinal negative pitch resistance suspension valency

loudness neurone placenta resistor symbiosis vapour

luminous neutral planet resonance symbol variable

lung neutron plasma respiration synapse variation

lymph Newton pollen result synthesis vein

M nitrogen pollution retina T velocity

magma nucleus polymer reversible tectonics vertebrate

magnesium nutrient positive S temperature vibration

magnetic nutrition potential saliva tendon villi

mass O precipitate salt terminal virus

measurement observation predator satellite thermistor vitamin

meiosis oesophagus prediction saturated thermometer volt

membrane ohm pressure sedimentary thorax voltage

menstruation omnivore prey sensitivity thyroid voltmeter

metabolism ore prism series tissue W

metallic organism product skeleton tract watt

metamorphic osmosis propagation sodium transfer wavelength

metamorphosis ovary proportional solar system transformer weight

meter (voltmeter) ovaries protein solenoid transpiration X

metre (length) oxidation proton solid transverse x-ray

microbe oxide pyramid solubility triceps xylem

microscope oxygen R solute tropism Y

microwave ozone radiation solution troposphere yeast

mineral P radioactive solvent U Z

mixture parallel reaction species ultrasound zygote

A B cholesterol diaphragm excretion gravity

absorption bacteria chromatography diffraction exothermic H

acceleration barometer chromosome diffusion expansion habitat

accommodation base circuit digestion extinction haemoglobin

accurate battery clone dilute F half-life

acid beta coil diode fermentation halogen

adolescence biceps combustion dispersion fertilisation herbivore

aerobic bile compression dissolve fertiliser homeostasis

alcohol biodegradable compound distillation field hormone

alimentary canal biomass concave E filter hydrocarbon

alkali biosphere conclusion echo filtration hydrogen

alkane Brownian motion condensation ecosystem fission hygiene

alkene C conduction effervescence flammable I

allele camera conductor efficiency foetus igneous

alloy capillary conservation electrolysis food chain immunisation

alloy carbohydrate constant electrolyte food web increase

alternating carbon contraction electromagnet formula indicator

aluminium carbonate control electron fossil induction

ammeter carbon dioxide convection electrostatic frequency inertia

ammonia cardiac convex element friction inference

Ampere carnivore corrosion embryo fuel infra-red

Amp cartilage coulomb emulsion fuse insulation

amplitude catalyst covalent endothermic G insulin

animal cathode crystal energy galaxy invertebrate

anode cell crystallisation environment gamete ion

antibiotic cellular current enzyme gamma ray ionic lattice

aorta Celsius cytoplasm equation gas ionosphere

artery charge D equilibrium generator isotope

asexual chemical decompose erosion genes J

atmosphere chlorine decrease evaporation genetics joule

atom chlorophyll density evidence germination K

audible chloroplasts diabetes evolution glucose Kelvin