ScienceMiddle school
Phases of the Moon
Move the Moon around the Earth and see how much of its sunlit half we can see from here.
Science · Middle school
Series and parallel circuits
The same bulbs on two boards: close a switch, remove a bulb and measure how the current changes in series and parallel.
In the learning section below the figure, predict, try, complete the tasks and check yourself with short questions.
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ScienceMiddle school
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?
ScienceMiddle school
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.