Learn about the Hershey Chase experiment, Rosalind Franklin’s X-ray diffraction and the formation of nucleosomes in this video! (Correlates with parts of IB Biology HL Topic 7.1)

Learn about the factors effecting gene expression and the control of gene expression during and after transcription in this video! (Correlates with IB Biology AHL topic 7.2)

Learn about matter, substances, elements, compounds, mixtures, phases of matter, and separation techniques in this video. Intro Matter Substances Physical property Physical change Mixtures Separating mixtures Elements Compounds Flow chart

Learn about the stages of meiosis in this video!

Learn how to calculate growth rate, interpret growth diagrams, survivorship curves, population pyramids (age structures), exponential and logistic growth in this video!

Learn about the very basics of population genetics (microevolution) in this video!

Learn about the types of natural selection (directional, stabilizing and disruptive) in this video!

Learn how to interpret a phase diagram including the triple point and places of sublimation!

Learn about how the strength of acids and bases are determined in this video! transcript ____________________ not all acids and bases are the same. Some are stronger some are weaker. We can figure out the strength of an acid using this...

Learn about reversible reactions in dynamic equilibrium in this video!

Learn about Le Châtelier’s principle and how to apply it to reversible reactions in this video!

Learn about the simple calculation of allele frequencies in a gene pool, hardy-weinberg assumptions and the difference between acclimation and adaptation in this video!

Learn about predator-prey relationships, interspecific competition, infraspecific competition, competitive exclusion principle, resource partitioning and symbiosis (mutualism, commensalism and parasitism) in this video!

Learn about the disruption of Hardy-Weinburg equilibrium in this video! Includes information about mutation, migration, gene flow, genetic drift, small populations, sexual selection and artificial selection.

Learn about the types of succession (primary and secondary) and the process of succession in this video!

In this video you’ll learn about the parts of the nucleus, how it stays together and how to write in isotope notation.

Learn about Jean Baptiste de Lamarck, Darwin and Wallace in this video!

Learn about speciation and patterns of evolution in this video!

Learn about the key pieces of evidence for evolution: fossils, anatomical evidence, embryology and biochemical evidence

Learn about solubility, solubility product constants, common ion effect and predicting if a precipitate will form in this video!

Learn about how to write equilibrium constant expressions and interpret their meaning in this video!

Learn about the structure and function of neurons (the cell of the nervous system) in this video!

Learn about convection, it’s driving force and how it works in the atmosphere, ocean and in Earth’s mantle!

Learn the basics of isomers, some common mistakes to avoid and how to write organic chemicals in structural shorthand!