Το καλάθι σου είναι άδειο.
Candle and water seesaws
Candle and water seesaws
Let's see what happens when you fix two burning candles and then two bottles of water to a seesaw.
01:49
Φυσική
7 – 8. τάξη
Λέξεις/κλειδιά
mozaLink
/Σύνδεσμος Web