 IGCSE General Physics -Measurements Revision test. Time- 1 Hr Apparatus, Clocks  Measuring Cylinders  Errors,  Screw gauge,  measuring,  reading length mass and time  calculation and graphs volume and density

GCSE / IGCSE / OCR Science –Numerical Practice Exercise - Ideal Gas Equation Contents- Boyle’s Law Charles Law Avogadro’s Law Law of Pressure Ideal Gas Equation

IGCSE / GCSE / OCR Chemistry Practice Exercise – Balancing and Ionic Equations Contents Formulae, Equations Balanced equations Ionic equations Word Equations Precipitation (ionic equation) Redox (ionic equation)

IGCSE Biology -Practice Sheet -Ecology and Ecosystems Exam Style Questions and Answers Content- Ecology Ecosystem Food Chain Food Web Energy transfer Biological Magnification

IB /AS level / Edexcel K-11 Chemistry – Organic Chemistry Practice Sheet Exam Style Questions and Marking Scheme MCQ’s and Theory Questions Content- Alkanes Alkenes Functional Group Homologous Series Isomerism Resonance Nucleophilic Reaction Electrophilic Reaction Free Radical Addition Polymers Alcohols Aldehydes Acids Esters Organic Chemical Reactions

IB SL / AS level / K-11 Chemistry Acid Bases Practice Sheet Exam Style Questions and Marking Scheme MCQ’s and Theory Questions Contents- Acid and Bases Chemical Properties of Acid Base Indicators pH pOH Ionic Product Arrhenius Concept of Acid Base Bronsted Lowry Concept (Proton Concept) Titration Concentration of H+ and OH-

IGCSE / GCSE / OCR Biology Heart Circulation Practice Sheet Exam Style Questions Contents Heart Double Circulation Blood Blood Cells Arteries Veins

Thermal Physics /Heat - IGCSE Physics Complete Lesson Thermal properties and Temperature Thermal expansion of solids, liquids, and gases at constant pressure Applications and consequences of thermal expansion Measurement of temperature How a physical property that varies with temperature may be used for the measurement of temperature, and state examples of such properties Need for and identify fixed points Structure and action of Liquid-in-glass thermometers Sensitivity,range and linearity of thermometer Structure of a thermocouple and show understanding of its use as a thermometer for measuring high temperatures and those that vary rapidly Structure of a liquid-in-glass thermometer relates to its sensitivity,range and linearity Thermal capacity (heat capacity) Rise in the temperature of a body to an increase in its internal energy Equation thermal capacity = mc Define specific heat capacity Equation change in energy = mc∆T Experiment to measure the specific heat capacity of a substance Melting and boiling in terms of energy input without a change in temperature Distinguish between boiling and evaporation

Chemical Bonding VSEPR theory Shapes of the molecules PPT-32 slides

This is an excellent resource I have created for students and teachers to understand various concepts of Mole calculations with solved examples. Contents- Elements Compounds Chemical Formula Word Equation Symbol Equation Balancing Equation Relative Atomic Mass Naming Compound Information from a chemical equation Definition of Mole The mole concept Molar Mass Important Formulae Limiting reagent Reacting Masses Reacting masses and ratios Molar Volumes Concentration of Solutions Water of Crystallisation Empirical and Molecular Formula Percentage Yield Percentage Purity Solved Examples of all the concepts

Section -A MCQ’s and Section B- Structured Questions Content- Reversible Reactions Reversible Arrows Dynamic Equilibrium Le Chattelier's Principle Shifting of Equilibrium Effect of Temperature Effect of Pressure Weak Electrolytes Haber’s Process (Reversible reaction only) Contact Process (Reversible reaction only)

IB SL / AS level / Edexcel Redox Reactions Questions and Marking Schemes MCQ’s and Theory questions Contents Tested- Oxidation Reduction Oxygen Hydrogen concept of redox Oxidation states Oxidation State concept of Redox Balancing a Redox reaction Electricity and Redox

IGCSE/ GCSE /OCR Biology – Cell Structure and Function Practice Sheet Exam Style Questions and Marking Scheme Contents Cell Cytoplasm Vacuole Plant cell Anima Cell Prokaryotic cell Eukaryotic cell Nucleus Orgenelles

IB HL / A level /Edexcel K-12 Organic Chemistry Practice Sheet Exam Style Questions and Marking Scheme MCQ’s and Theory Questions Contents- Halo alkanes Alkenes Stereoisomerism Geometrical Isomers Optical isomerism Enantiomers Chiral carbons

IGCSE/ GCSE /OCR Biology – Photosynthesis Practice Sheet Exam Style Questions and Marking Scheme Contents Photosynthesis Factors affecting photosynthesis Experiments to prove CO2 is given out Experiments to prove O2 is taken in Palisade cell Chloroplast Chlorophyll Equation of Photosynthesis Testing of Starch in Leaf

Revision Test- IGCSE Chemistry Rate of the Reaction Time-1 Hour. Section -A MCQ’s and Section B- Structured Questions Content-  Rate of the reaction  Factors affecting rate  Temperature  Light  Surface area  Concentration  Collision theory  Catalyst  Activation Energy  Methods of Determining Rate

IGCSE / GCSE / OCR Biology Practice Sheet Homeostasis Exam Style Questions and Marking Scheme Contents  Skin  Liver  Thermo-regulation  Metabolism of carbohydrate  Homeostasis  Urea  Carbon Dioxide  Kidney  Excretion

Revision Test- IGCSE Chemistry Energy Changes in Reactions Time-1 hour 15 minutes Section -A MCQ’s and Section B- Structured Questions Content- Energy basis of types of reaction Exothermic Endothermic Energy profile Diagram Enthalpy change Calorimetry Bond Energy

Entire set of gas laws with illustrations , examples and some practice exam style questions on all laws.