Summer 2003 Marietta (Mars) Bloch, is co-ordinator of Science and Technology for the TDSB, grade 1 through secondary school. A member of ETFO, she is also the President of the Science Teachers’Association of Ontario (STAO). View the Full Digital Edition Begin with Science and Technology and Integrate Visiting Mars Bloch Provincial Parks Bring Life to Learning STAO Conference Thinking Critically Books
