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GRADE 5 LESSON 1.3

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  • Explain Biodegradable Materials.
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  • What are the problems you fear with the non-biodegradable material waste?
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  • When do you consider a material as waste?
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  • Explain Non-biodegradable Materials
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  • What are the differences between Malleable and Ductile Materials?
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  • What is the difference between Physical and Chemical Properties of Matter?
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  • How do rust form?
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  • What are the 3 Chemical properties of Matter?
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  • What are the differences between Elastic and Flexible Materials?
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  • Why is it useful to know the properties of matter in everyday life?
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  • How can we use the properties of matter to identify materials?
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  • How do Acid Rain form?
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  • Why is it important to separate biodegradable and nonbiodegradable waste?
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  • Give 2 effects of Acid Rain
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  • What do you mean by the word "Toxicity"
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  • What are the 6 other properties of matter?
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