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Year 3 Key Skill
Use the word "because" to connect observations to scientific explanations. Don't just describe — explain the mechanism behind what you observe.
DNA structure, chromosomes, genes, alleles, Punnett squares, genotype and phenotype, aerobic vs anaerobic respiration, circulatory and respiratory systems.
DNA
Punnett Squares
Respiration
Body Systems
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Types of reactions (synthesis, decomposition, displacement, neutralisation), balancing equations, pH scale, acids and bases, indicators, reactivity series.
Reaction Types
Balancing
pH Scale
Reactivity
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Newton's three laws of motion with examples, F=ma calculations, work, power, efficiency, transverse and longitudinal waves, electromagnetic spectrum.
Newton's Laws
F = ma
Work & Power
EM Spectrum
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