Experimental Design
What are variables (independent, dependent & controlled)? How do we set up fair experiments?
Science
Cell Structure & Organisation
Learn more about the levels of organisation, cell structures and differences between plant cells and animal cells!
Kinetic Particle Theory
Interact with this simulation to see how particles move at different temperatures and with different masses!
Diffusion
Discover what diffusion is and some factors affecting how fast it takes place!
Surface Area : Volume Ratio
How do the surface area to volume ratio of cells, tissues and organs affect their functions?
Active Transport
Does active transport involve the movement of particles up or down the concentration gradient? Find out here!
Diffusion, Osmosis & Active Transport
What are the differences between these transport processes and how do they sustain life?
Carbohydrates, Fats & Proteins
What elements are found in these food classes? What are their roles and how can we test for them?
Simple Harmonic Motion
Explore this concept through synchronised circular motion, displacement-time graphs and a spring-mass system.
Food Tests Lab
How to test for the presence of reducing sugars, starch, fats and proteins in food samples?
Paper Chromatography
How can we carry out a paper chromatography experiment and analyse the results?
Substrate Concentration On Enzyme Kinetics
Discover the impact of substrate concentration on enzyme kinetics through a closer look at Michaelis-Menten graphs.
Human Digestive System
How quickly can you recall key terms and drag them into their blanks?
Ions Matchmaker
Are you able to match positive ions with negative ions to come up with the chemical formulae of ionic compounds?
Formula Feast
How accurately and quickly can you put together chemical formulae and match them to their names? Test yourself here!
Formula Writing Challenge
Test your skill and speed in writing chemical formulae!
Balancing Equations
Discover how to balance equations as well as how to identify limiting and excess reagents!
Equation Auto-Balancer
Uncertain if your equation is balanced? Check it out here!
Balancing Equations Challenge
How fast can we balance our chemical equations?
The Chaos Theory
Have you ever heard of the idea that the flap of a butterfly wing here can cause a tornado elsewhere? Learn more about the chaos theory!
Mole Concept
What is a mole? Does it dig into the ground or quiver on the face? Or does it help us in counting how many particles there are?
Conservation of Energy
Under what conditions is the sum of energy conserved? Find out here!
Pupil Reflex In Bright & Dim Lighting
Look at how the pupil changes size as light intensity varies!
Infectious Diseases
Use this simulation to model the spread of infectious diseases such as AIDS, influenza and pneumococcal disease!
Rotational Kinematics
Learn more about angular displacement, angular velocity and angular momentum!
Antibiotic Resistance
Why must we complete a course of antibiotics when we suffer from bacterial infections?
Photosynthesis & Respiration
Learn the differences between photosynthesis & respiration!
Deflection of Charged Particles in Electric Field
How do a particle’s charge and mass affect its angle of deflection?
s, p, d and f orbitals
Learn more about the electronic structure of the atom here.
Ionisation Energies
Discover more about various trends in ionisation energy!
Chemical Bonding
What are giant ionic structures, simple molecular structures and giant metallic structures?
Forces: Newton’s First & Second Laws
See how forces and masses affect the motion of two objects!
Resolving Forces on Slope
How can we resolve various forces acting on an object atop an inclined plane?
Producers, Consumers & Decomposers
What roles do producers, consumers & decomposers fulfill in different ecosystems?
Allotropes of Carbon
Gain a deeper understanding of what allotropes are and learn more about the various allotropes of carbon.
Deforestation
Model the impact of various human activities on the population numbers of different animals!
Warning Colouration & Mimicry
Why do some beetle species advertise their toxicity with bright colours? How can other beetle species benefit?
Game Theory & Evolutionarily Stable Strategies
How can game theory explain animal behaviours?
Turning Effect of Forces
Explore how the turning effect of a force is influenced by the weight of an object and its distance from the fulcrum!
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!
Gel Electrophoresis
Discover more about gel electrophoresis and how it is used in DNA fragment analysis!
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?
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?
Conventional Current & Electron Flow
Find out more about convention current & electron flow here!
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 States Quiz
How quickly can you calculate oxidation states? Test yourself here!
Oxidation Numbers Mega Quiz
Test your speed in selecting the correct oxidation numbers!
Oxidising & Reducing Reagents
What colour changes are observed when an oxidising agent meets a reducing agent?
Ionic Equations
Learn to write and combine half-equations in neutral, acidic and basic conditions.
