Experimental Design
What are variables (independent, dependent & controlled)? How do we set up fair experiments?
Science
Kinetic Particle Theory
Interact with this simulation to see how particles move at different temperatures and with different masses!
Heating & Cooling Curves
Learn more about the heating and cooling curves of water.
Simple Harmonic Motion
Explore this concept through synchronised circular motion, displacement-time graphs and a spring-mass system.
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!
Conservation of Energy
Under what conditions is the sum of energy conserved? Find out here!
Newton’s Cradle
Explore how energy is transferred between pendulum bobs, and how it is lost to the surroundings.
Rotational Kinematics
Learn more about angular displacement, angular velocity and angular momentum!
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?
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!
Thermal Conductivity
Why do metals & non-metals have different thermal conductivities?
Heat: Convection
Observe how the position of the heat source affects convection currents in a fluid.
Heat: Radiation
Learn more about the factors affecting the rates of thermal radiation & absorption!
Conduction, Convection & Radiation
Discover the key differences between these three heat transfer mechanisms!
Conventional Current & Electron Flow
Find out more about conventional 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?
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!
Reflection: Ray Diagrams
What should we look out for when constructing ray diagrams?
Reflection: Summary, CSI & Ray Diagram
Explore this package on the reflection of light! It comes with a summary, an investigative escape room and a ray diagram sketcher.
Refraction: Ray Diagrams
How to construct ray diagrams for light passing between different media?
Refraction: Graph of sin i against sin r
How does Snell’s Law look like graphically?
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!
Cell Structure & Organisation
Learn more about the levels of organisation, cell structures and differences between plant cells and animal cells!
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?
Potato Strips In Solutions
Observe the changes when potato strips are placed in solutions with different water potential.
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?
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?
Models of Enzyme Action
What are the differences between the lock-and-key model and the induced fit model?
Enzyme Inhibition
Learn more about competitive and non-competitive inhibition of enzymes!
Substrate Concentration On Enzyme Kinetics
Discover the impact of substrate concentration on enzyme kinetics through a closer look at Michaelis-Menten graphs.
Ionic Jigsaw
Learn more about how to construct formulae of ionic compounds using jigsaw models.
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?
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?
Homeostasis: Ben’s Bad Day
Ben cannot catch a break. Rebuild the feedback loop his body uses to fight back at each crisis — stimulus, receptor, control centre, effector, response.
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!
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?
Hydrogen Bonding
Learn more about intermolecular and intramolecular hydrogen bonding!
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?
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!
Strength, Basicity & Concentration of Acids
How do the strength, basicity and concentration of an acid affect its pH?