Phases of the Moon
Move the Moon around the Earth and see how much of its sunlit half we can see from here.
Simple pendulum
Change the string length, mass, angle and gravity: what does the period depend on, and what not? What happens at large angles?
In the learning section below the figure, predict, try, complete the tasks and check yourself with short questions.
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Seasons: tilt and the angle of light
Change the date and the latitude: how does the axial tilt change the angle of sunlight and the length of the day?
Light’s path through the air
Lower the lamp: air scatters blue light far more than red, giving a blue sky at noon and a red Sun at dusk.