Does yeast breathe? Find out by watching plastic bags filled with yeast, warm water and different amounts of sugar.
Con la collaborazione di: The Columbia River Exhibition of History, Science, & Technology (CREHST Museum)
Create a maze inside a shoebox with blocks of wood. Have a friend figure out where the blocks are by listening as a marble rolls inside the box. Using energy waves like sound, to determine the position of an object is called...
How easy is it to let it roll? Find out with two jar lids, some marbles, and a straw handle!