Heat Quiz
How well do you know your heat transfer mechanisms (conduction, convection & radiation)?
Science
Menstrual Cycle
What roles do these hormones (oestrogen, progesterone, follicle stimulating hormone & luteinising hormone) play?
Continuous & Discontinuous Variations
What are their key differences? What are some examples of each?
Punnett Squares
Learn more about how to calculate the probability of inheriting traits here!
Strength, Basicity & Concentration of Acids
How do the strength, basicity and concentration of an acid affect its pH?
Titration pH Curves
How does pH change when various acids are mixed with an alkali? Take a look here!
Titration pH Curves (Advanced)
Learn more about buffers, calculations, pH and pKa here.
Buffer Solutions
Discover more about buffers – both acidic and alkaline – here!
Solubility Rules
Do you know which salts are soluble and which, insoluble?
Salt Preparation
Which method is suitable for preparing a given salt? Find out here!
Qualitative Analysis Lab
How can you identify cations, anions and gases?
Colours of Chemicals
Challenge your knowledge on the colours of chemicals!
Group 17 Halogens
What are some trends in physical and chemical properties of Group 17 Halogens?
Electromotive Force & Potential Difference
What’re the key differences between electromotive force & potential difference?
Electricity Formulae Challenge
How well do you know these formulae (V=RI, P=VI and E=Pt)? Test yourself here!
Electric Field
Discover electric field patterns as you add various positive and negative charges!
Magnetic Field
What are the magnetic fields created by various arrangements of magnets?
Reactivity Series of Metals
How can the reactivity of a metal affect the chemical changes it undergoes?
Rusting
What is rust? Which factors cause rusting and which accelerates it?
Oxidation Numbers Multiple Choice Challenge
Test your speed in selecting the correct oxidation numbers!
Oxidation States Quiz
How quickly can you calculate oxidation states? Test yourself here!
Oxidising & Reducing Reagents
What colour changes are observed when an oxidising agent meets a reducing agent?
Boltzmann Distribution
How are different temperatures and activation energies represented on Maxwell-Boltzmann distribution curves?
Rate of Reactions
What are some factors affecting the rate of reactions? Check them out here!
Haber Process
Learn more about chemical equilibria by studying the Haber Process!
Refraction: Graph of sin i against sin r
How does Snell’s Law look like graphically?
Superposition & Standing Waves
How do waves constructively and destructively interfere? What are standing waves?
Sound: Echoes
Do you know that the reflection of sound is an echo? Find out more in this simulation!
Energy Profile Diagrams
Learn more about exothermic and endothermic reactions through this interactive simulation!
Electrolysis Explorer
Explore the preferential discharge of ions in various electrolytic setups!
Blood Types
Find out more about the different blood types and how they are affected by various parental genotypes!
Heisenberg Uncertainty Principle
How is a particle’s momentum related to its position? Find out here!
Alpha (α), Beta (β) & Gamma (γ) radiation
What are the key differences between these three types of radiation and how can you balance nuclear equations?
Radioactivity
Learn more about the ionising & penetrating powers of alpha, beta & gamma radiation here!
Homologous Series
How well do you know the homologous series of alkanes, alkenes, alcohols & carboxylic acids?
Organic Compounds Naming Contest
How fast can you name your alkanes, alkenes, alcohols, carboxylic acids and esters?
Types of Isomerism
How much do you know about chain isomerism, positional isomerism, functional group isomerism, cis-trans isomerism and optical isomerism?
Functional Group Isomerism
What is functional group isomerism? Find out more here!
Positional Isomerism
Find as many positional isomers as quickly as you can!
Natural Selection
What is natural selection? How can it be affected by deforestation and pollution?