WJEC A2 Chemistry Unit 4 Topic 4.1: Stereoisomerism notes split into specification points, accessible for students.

WJEC A2 Chemistry Unit 4 Topic 4.2: Aromaticity notes split into specification points, accessible for students.

WJEC A2 Chemistry Unit 3 Topic 3.5: Chemical Kinetics notes split into specification points, accessible for students.

WJEC A2 Biology Unit 3 Topic 3.5: Populations and ecosystems notes split into specification points, accessible for students.

WJEC A2 Biology Unit 3 Topic 3.3: Respiration notes split into specification points, accessible for students.

WJEC AS Chemistry Unit 1 Topic 1.5: Solid structures notes split into specification points, accessible for students.

WJEC AS Chemistry Unit 1 Topic 1.1: Formulae and equations notes split into specification points, accessible for students.

WJEC AS Chemistry Unit 1 Topic 1.3: Chemcial calculations notes split into specification points, accessible for students.

WJEC AS Chemistry Unit 1 Topic 1.2: Basic ideas about atoms notes split into specification points, accessible for students.

WJEC AS Chemistry Unit 1 Topic 1.4: Bonding notes split into specification points, accessible for students.

WJEC AS Chemistry Unit 1 Topic 1.6: The periodic table notes split into specification points, accessible for students.

WJEC A level chemistry A2 Unit 3 Topic 3.6: Enthalpy changes for solids and solutions powerpoints for whole topic Each lesson covers a spec point: Lesson 1: Lesson 1 - Standard enthalpy changes, and solubility of ionic compounds in water Lesson 2: Born-Haber cycles and stability of compounds Each lesson has notes, small tasks and exam questions Accessible for students

WJEC A level chemistry A2 Unit 3 Topic 3.5: Chemical Kinetics powerpoints for whole topic Each lesson covers a spec point: Lesson 1: Sampling and quenching, Finding reaction order and the general rate equation Lesson 2: Finding units for k, rate determining steps and mechanisms Lesson 3: Arrhenius equation and effect of catalysts on rate. Each lesson has notes, small tasks and exam questions Accessible for students

WJEC A level Biology A2 Unit 3 Topic 3.5: Populations and ecosystems powerpoints for whole topic Each lesson covers a spec point: Lesson1: Populations Lesson 2: Sampling Lesson 3: Ecosystems and biomass transfer Lesson 4: Succession Lesson 5: Carbon cycle and the human impact on the carbon cycle Lesson 6: Nitrogen cycle, human impact on the nitrogen cycle, and eutrophication Each lesson has notes, small tasks and exam questions Accessible for students

WJEC A level Biology A2 Unit 3 Topic 3.3: Respiration powerpoints for whole topic Each lesson covers a spec point: Lesson1: ATP and an introduction to respiration Lesson 2: Glycolysis and link reaction Lesson 3: Krebs Cycle Lesson 4: Electron transport chain Lesson 5: Anaerobic respiration and energy budgets Lesson 6: Alternative respiratory substrates Each lesson has notes, small tasks and exam questions Accessible for students

WJEC A level Biology AS Unit 1 Topic 1.3: Cell membranes and transport powerpoints for whole topic Each lesson covers a spec point: Lesson1: Fluid mosaic model and factors affecting it’s permeabiltiy Lesson 2: Simple/facilitated diffusion and factors that affect them Lesson 3: Osmosis Lesson 4: Active transport and bulk transport Each lesson has notes, small tasks and exam questions Accessible for students

WJEC A level chemistry AS Unit 1 Topic 1.3: Chemical calculations powerpoints for whole topic Each lesson covers a spec point: Lesson 1: Relative mass terms and mass spectrometry Lesson 2: Empirical and molecular formula Lesson 3: Avogadro, grams, moles, concentration, and solubility Lesson 4: Stoichiometry Lesson 5: Gas laws and the ideal gas equation Lesson 6: Atom economy, % yield, %error, and significant figures Each lesson has small tasks and exam questions

WJECA level chemistry A2 Unit 4 Topic 4.2: Aromaticity powerpoints for whole topic Each lesson covers a spec point: Lesson 1: structure + bonding in benzene Lesson 2: benzene’s resistance to addition reactions & electrophilic substitution mechanisms (nitrations, halogenation, friedel-crafts alkylation) Lesson 3: C-Cl bond strength + past paper question revision for whole topic Each lesson has notes, small tasks and exam questions Accessible for students

WJEC A level chemistry AS Unit 1 Topic 1.1: Formulae and equations powerpoints for whole topic Each lesson covers a spec point: Lesson 1: Chemical formulae and oxidation numbers Lesson 2: Chemical and ionic equations Accessible for students

WJEC A level chemistry AS Unit 1 Topic 1.6: The periodic table powerpoints for whole topic Each lesson covers a spec point: Lesson 1: Elements arranged by atomic number, recap of electronic structure, recap of oxidation and reduction Lesson 2: Trends in the periodic table Lesson 3: Reactivity of groups 1&2, group 2 metals with oxygen, steam, and water, cation reactions, and flame tests Lesson 4: Thermal stability of group 2 hydroxides & carbonates, solubility of group 2 hydroxides & sulfates, and group 1 & 2 oxides Lesson 5/6: Group 7 Lesson 7: Salt formation Each lesson has small tasks and exam questions Accessible for students

WJEC A level Biology AS Unit 1 Topic 1.2: Cell structure and organisation powerpoints for whole topic Each lesson covers a spec point: Lesson1: Eukaryotic cell organelles Lesson 2:Prokaryotic cells, viruses, and their differences compared to eukaryotes Lesson 3: Levels of organisation Each lesson has notes, small tasks and exam questions Accessible for students