Year 13 science
Every topic for the year is below, arranged by the term it is taught. Choose a term to show only that term: each topic has a lesson video, worked questions and practice at three levels.
Summer term
- BiologyInheritance and populationsGenotype and phenotype, monohybrid and dihybrid crosses, sex linkage, codominance, multiple alleles, epistasis, the chi-squared test, the Hardy-Weinberg principle and allele frequencies.100 questionsLesson video
- BiologyEvolution, speciation and populations in ecosystemsNatural selection and evolution, genetic drift, speciation, the effect of environmental factors on populations, interspecific and intraspecific competition, succession and conservation, and estimating population size.100 questionsLesson video
- BiologyControl of gene expressionGene and chromosome mutations, stem cells and totipotency, regulation of transcription and translation, epigenetics, and the links between gene expression and cancer.100 questionsLesson video
- BiologyGenome projects and gene technologiesSequencing methods and genome projects, recombinant DNA technology, in vivo and in vitro cloning, DNA probes, genetic engineering and fingerprinting, and the ethics of gene technologies.100 questionsLesson video
- ChemistryAldehydes and ketones, carboxylic acids and estersNucleophilic addition to carbonyl compounds, oxidation and reduction of aldehydes and ketones, tests for carbonyls, reactions of carboxylic acids, esters, acyl chlorides and acid anhydrides.100 questionsLesson video
- ChemistryAmines, amino acids and polymersBasic properties and preparation of amines, amino acids and proteins, condensation polymers (polyesters and polyamides), biodegradability and recycling of polymers.100 questionsLesson video
- ChemistryNMR, chromatography and synthesisProton and carbon-13 NMR spectroscopy, chromatography (TLC, GC, HPLC), combining spectra to identify organic compounds, and planning multi-step organic synthesis routes.100 questionsLesson video
- PhysicsOscillationsSimple harmonic motion, defining equations and graphs, mass-spring and pendulum systems, energy in SHM, damping, forced oscillations and resonance.100 questionsLesson video
- PhysicsThermal physicsSpecific heat capacity and latent heat, the ideal gas equation, kinetic theory of gases, root mean square speed, and internal energy.100 questionsLesson video
- PhysicsAstrophysics and cosmologyStars and their luminosity, the Hertzsprung-Russell diagram and stellar evolution, Wien and Stefan laws, standard candles, redshift, the Hubble law and the Big Bang.100 questionsLesson video