It often covers "Matter and Energy in Ecosystems" or "Food Chains."
: An edition for educators by Claudia Patricia Muñoz Meléndez and others includes specialized planning resources. You can also access teacher guides for related Santillana science series on the Guías Santillana portal . hipertexto santillana 6 ciencias naturales pdf 35 verified
Exploration of states of matter, energy as a motor for movement, and basic electricity/magnetism. It often covers "Matter and Energy in Ecosystems"