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Cells and the movement of molecules; plants and photosynthesis; nutrition; breathing and respiration; blood and circulation; nerves and hormonal coordination; genetics; ecology; the periodic table; chemical equations; atomic structure and bonding; rates of reactions; rocks and plate tectonics; metal and reactivity series; non-metals; chemicals from oil; radioactivity; energy/energy transfer; energy resources; light and the electromagnetic spectrum; waves and sound; electricity; electromagnetism; forces and motion; the Earth and beyond; Mock exam; answers.