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Matter

Matter. Everything around us…. Any substance that has mass, and takes up space (volume). Mass. Measurement of how much matter is in an object. Usually measured with a scale in grams (g) or kilograms (kg). [http://www.pelletlab.com/images/Triple%20Beam.jpg]. 373.35 g. Volume.

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Matter

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  1. Matter • Everything around us…. • Any substance that has mass, and takes up space (volume).

  2. Mass • Measurement of how much matter is in an object. • Usually measured with a scale in grams (g) or kilograms (kg). [http://www.pelletlab.com/images/Triple%20Beam.jpg]

  3. 373.35 g

  4. Volume • Measures how much space an object takes up.

  5. Volume • Also can be measured using a graduated cylinder. (units are mL or cm3) • 1 mL = 1 cm3

  6. Volume • When using a graduated cylinder, you must measure volume at the center “peak” of the meniscus (bend). 5.9 mL

  7. Meniscus [http://cwx.prenhall.com/petrucci/medialib/media_portfolio/text_images/FG13_04.JPG]

  8. 35 mL 36.5 mL

  9. Watch your scale!!!

  10. Matter and Density • Density is the measurement of how much mass is in a certain volume.

  11. Matter and Density • Density of water is 1.0 g/mL • More dense objects will sink, less dense objects will float. Click here to go to a virtual density lab. [http://demo.physics.uiuc.edu/LectDemo/descript/684/PIC00012a.jpg]

  12. Matter and Density • Example: • If an object has a mass of 193 g and a volume of 10.0 mL, what is the density?

  13. Matter and Density

  14. Matter and Density • Example: • If a piece of glass with a density of 2.4 g/mL has a mass of 12 g, what is its volume?

  15. Matter and Density Cross Multiply…

  16. Matter and Density Then, Divide…

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