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Year 7 science revision questions with answers Qs Chemical reaction - n ANS the process by which one or more substances change to produce one or more different substances Qs DNA - n ANS Deoxyribonucleic acid; the genetic material that carries inf
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September 2025

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Year 7 science revision questions with answers Qs Chemical reaction - n ANS the process by which one or more substances change to produce one or more different substances Qs DNA - n ANS Deoxyribonucleic acid; the genetic material that carries information about an organism and is passed from parent to offspring. Qs Combustion - n ANS a process in which a substance reac
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