KiwiBee Weather Simulation

The KiwiBee Weather Simulation is a free interactive model that lets students change the conditions of the air and see what the sky does in response. It runs in a modern browser with no download and no sign-up, on a projector for a whole group or on a student's own device. Pressing Play opens it full screen.

Students work with three sliders: temperature, humidity (labeled "how full the air is") and air pressure. As the numbers change, the scene updates: a sunny sky clouds over, fog settles, rain starts, or the rain turns to sleet and snow when the air near the ground drops to freezing. Four presets, Sunny, Rainy, Storm and Foggy, jump straight to a typical day of each kind so a child can compare them and then work out which setting made the difference.

What makes it more than an animation is that the reasoning is shown on screen. The simulation displays the dew point calculated from the current temperature and humidity, and estimates how high the cloud base will form using the rule of thumb that each degree between air temperature and dew point adds about 125 meters. An Explain panel puts the ideas in plain words: cool the air to its dew point and cloud, dew or fog appears, and low pressure with damp air means unsettled weather. A speed control and a reset button make it easy to repeat an experiment.

KiwiBee is open about the limits of the model. The page states that it is a classroom teaching model and not a forecast: real forecasting also depends on fronts, uplift, wind and how temperature changes with height. That honesty is useful in itself, because it gives older students something to critique.

The page lists learning-level presets for grades 3 to 5, middle school and high school, cites NGSS standard 3-ESS2-1, and suggests a predict, test and explain routine: guess what a change will do, run it, then use what you saw as evidence. Questions students can explore include why deserts stay dry even when hot, and why warm humid air and cold humid air behave differently.

Teachers and co-op leaders can embed the simulation in a class site with the provided code. Related free simulations on the same site cover the water cycle, a weather station, and air pressure and weather fronts. Note for parents: the simulation page sits inside KiwiBee's wider teacher platform and has a public comment area below it.