Stations-ID: D100 Instruction: Stream-table: Use the hand pumps to fill the two coloumns with water while keeping the tap closed. Now you can use the sand on the table to form a landscape at will. Afterwards, open the water tap …
Stations-ID: A010 Instructions: Go inside and listen! Where does the sound come from? Which way does the sound go? Where does the sound go? What could the sound be?
