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	Grade 4 Science Identify Changes in Materials whether Useful or Harmful to ones Environment (Learning Pal) View
	SCIENCE 4 MODULE 6 IDENTIFY CHANGES IN THE MATERIALS THAT ARE USEFUL OR HARMFUL TO ONE'S ENVIRONMENT (Miss JMD) View
	SCIENCE 4 (Quarter 1, Module 4): CHANGES IN MATERIALS THAT ARE USEFUL u0026 HARMFUL IN THE ENVIRONMENT (DDO TV Eskwela) View
	Changes in Materials that are Useful or Harmful to One's Environment (Part 1) Grade 4 Science Week 7 (Teacher Larriza) View
	Science 4 identifying changes that are useful and harmful in the environment week 7-8 (JayzMarq) View
	useful and harmful effects of changes in materials to the environment (ELIAS ABAYA JR III) View
	Science 4 (Weeks 7-8) - Changes in Materials whether Useful or Harmful to one's Environment (Titser Regz Channel) View
	Changes in Materials whether Useful or Harmful to Our Environment Grade 4 Science (Dep Ed TV Channel Media Bureau Online) View
	SCIENCE 4 \|\| QUARTER 1 WEEK 7-8 \| IDENTIFYING CHANGES THAT ARE USEFUL AND HARMFUL IN THE ENVIRONMENT (Teacher Frell) View
	Science 4 Quarter 1 Week 6-7 Changes in Materials that are Useful and Harmful to One's Environment (rachelilalodeguzman) View