more than 2 didactic hours


The Two Systems

4.5
Average: 4.5 (2 votes)
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Kivet ja mineraalit

4
Average: 4 (1 vote)
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Sonnensystem - FlyPen (The Learning Cycle)

4
Average: 4 (2 votes)
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Arlas Rymdsidor

3
Average: 3 (1 vote)
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Yta och atmosfär

4
Average: 4 (1 vote)
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Rocks and Minerals

4
Average: 4 (3 votes)
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Elamaa etsimassa

4.333335
Average: 4.3 (3 votes)
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Fysiikan historian opettamisesta

2
Average: 2 (1 vote)
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Fysiikan historiaa

3.666665
Average: 3.7 (3 votes)
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Eläinradan tarkastelua

3.333335
Average: 3.3 (3 votes)
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