Matrices
Learn more about matrices and their real-world uses here!
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About
Thank you for using EdTechSims. I hope you find it useful. Here is a brief outline of my teaching &
Molecular Shapes
How are shapes of molecules determined? Find out here!
Molecular Shapes & Bond Angles Challenge
Test your speed in identifying bond angles & molecular shapes!
Conduction, Convection & Radiation
Discover the key differences between these three heat transfer mechanisms!
Heat: Radiation
Learn more about the factors affecting the rates of thermal radiation & absorption!
Asexual & Sexual Reproduction
Under what environmental circumstances is each favoured?
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?
Surface Area & Volume
Do you know how to calculate the volume and surface area of these figures (cube, cuboid, prism, cylinder, pyramid, cone
and sphere)?
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?
Euler’s Formula for Polyhedra
How much do you know about Euler and his formula for convex polyhedra?
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!
Synonyms For Walk
What’s the difference between stroll, stride, sprint, scurry and saunter? Learn more synonyms for ‘walk’ here!
Synonyms For Talk
What do belabour, bark & berate mean? Discover some synonyms for ‘talk’ here!
Idioms As Emojis Challenge
Can you guess what these idioms are from their emoji hints?
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!
Gerrymandering
What is gerrymandering & how does it affect election results?
Oxidation States Quiz
How quickly can you calculate oxidation states? Test yourself here!