Questions: 1. Why is it important to separate material from a mixture? 2. What is chromatography? 3. What is distillation? 4. What technique would you use to separate sand from water? There are two possibilities. 5. Imagine you dropped nails in the sawdust in woodwork class. Propose two reliable ways of separating the nails from the sawdust. 6. How would you separate the sand from a mixture of sand and sawdust? Construct a flow chart to show the steps you would use.

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Violence

Violence is defined as a physical act that causes or is intended to cause harm. Violence can cause physical, emotional, or both types of harm. Violence is defined by the World Health Organization as the intended use of physical force and power that causes threat or harm against oneself, another person, or against a community or group, and has the potential to cause damage, death, mental distress, maldevelopment, or poverty.