activity 5 compass

Materials: -Garraf -cutter -hot glue -porexpan -scissors -marker -magnet Procedure: First, we take the bottle and cut the top. Then we polish it and put hot glue on it. Later, we take the porexpan and the milk cap and in the porexpan we make it the size of the milk cap. Then, we embed the magnets inside the porexpan and draw the symbols: N, S, O and E