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Understanding Density

Understanding Density. Why does regular A&W soda settle at the bottom and Diet A&W soda stay on top?. How do you explain the presence of different layers of liquids?. What are the layers? . Why are there layers?. If you could see the particles inside each layer, how would they look?.

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Understanding Density

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  1. Understanding Density

  2. Why does regular A&W soda settle at the bottom and Diet A&W soda stay on top?

  3. How do you explain the presence of different layers of liquids?

  4. What are the layers? Why are there layers?

  5. If you could see the particles inside each layer, how would they look?

  6. REVIEW: PROPERTIES OF MATTER • Organize a notebook page • Copy the table in your notebook. Fill in with the correct answer. 3. How do you measure the following: (Explain or provide a diagram) a. mass of a solid, liquid, and solid crystals b. volume of a liquid, a regular solid, and an irregular solid

  7. 1 meter 1 decimeter Not drawn to real size 1 centimeter 1 millimeter

  8. MEASURING VOLUME Unit: liters (l) or milliliters (mL) Liquids Regular Solids (volume = l x w x h) Irregular Solids (Water displacement)

  9. Measuring Volume of a Liquid

  10. Understanding Density Week of Feb. 27-28 [ ] DAY 1- Introduce [ ] DAY 2- Explore Week of March 4-6 [ ] DAY 1- Extend [ ] DAY 2- Summarize

  11. Why do the liquids in the column separate? Why doesn’t the mass and volume of the liquid matter?

  12. What happens when we drop different objects into the column? • Explain why?

  13. A Tale of Three Candles Half-sized candle floats Full-sized candle floats Half-sized candle sinks Explain why?

  14. Mass = 10 g Vol = 20 mL Density = Density = Density =

  15. Mass = 2.5 g Vol = 5 mL Mass = 5 g Vol = 10 mL Mass = 2.5 g Vol = 5 mL Mass = 10 g Vol = 20 mL Mass = 2.5 g Vol = 5 mL Mass = 5 g Vol = 10 mL Mass = 2.5 g Vol = 5 mL Density = 10g/20mL = 0.5 g/mL Density = 5g/10mL = 0.5 g/mL Density = 10g/20mL = 0.5 g/mL

  16. Source: http://www.chemistryland.com/CHM130S/02-MMM/Measure/Measuring.htm

  17. MEASURING VOLUME L W H Volume= L x W x H = 10cm x 5cm x 7cm = _________ cm3 Volume = _______ ml

  18. Source: http://www.chemistryland.com/CHM130S/02-MMM/Measure/Measuring.htm

  19. How do you measure the volume of an irregular object?

  20. Source: http://www.chemistryland.com

  21. http://www.youtube.com/watch?v=Lwc6QklQGFw

  22. http://www.youtube.com/watch?v=fE2KQzLUVA4 Seven Layer Density

  23. Understanding Density? D= Mass/Volume Why are there different layers?

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