The greenhouse effect sim
Change the carbon dioxide and methane in the air (or pick a year from the record), watch infrared being absorbed and sent back down, and read the extra heating and settled temperature; then sort out the ozone-hole mix-up.
The atmosphere: greenhouse gases and climate · covers the O-Level, IGCSE, GCSE topic
Use it in your lessons
- Try it here: anyone can unlock 2 figures free, and a free account unlocks up to 5. Runs on a laptop, a Chromebook or a phone; nothing to install.
- Present it and share student links with the teacher plan, from US$5 a month, billed yearly.
- Put it on your own website or LMS for US$9, paid once, or every sim from US$29 a month.
Free guide: 12 practicals as sims, and how to run one in a lesson →
Need a version for your exact set-up? Have one made: US$49 a figure in an order of 5.
More chemistry sims
- Homologous series and isomers builder simBuild molecules atom by atom, check and name them, find every isomer of a formula, test for C=C with bromine water and compare boiling points across five series.
- How much oxygen is in air? simPush 100 cm³ of air back and forth over hot copper between two gas syringes, read the volume after each pass, let it cool and work out that about 21 % of air is oxygen.
- Catalysts and enzymes: decomposing hydrogen peroxide simWeigh a catalyst, add it to hydrogen peroxide, read the gas syringe every 10 s, compare the curves, then filter and reweigh the catalyst and test the gas.
- Thermometric titration simAdd sodium hydroxide to acid in a polystyrene cup a portion at a time, stir, record the temperature, and find the end point and the acid's concentration where two best-fit lines meet.
- Making ammonia simHeat the dry mixture: 2NH₄Cl + Ca(OH)₂ → CaCl₂ + 2NH₃ + 2H₂O.
- Testing for anions simEach tube holds 2.0 cm³ of a 0.1 mol/dm³ solution of one sodium salt; the eighth holds 5 cm³ of limewater.