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Bell work

Learn about the different tools used in science, the importance of the International System of Units (SI), and how to measure length, area, mass, volume, and temperature. Also, discover lab safety symbols and safe practices for investigations.

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Bell work

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  1. Bell work • What could you study by using a telescope? • What could you study by using a microscope? • Write your answers in your science journal.

  2. Measurement notes

  3. Objectives for today • Describe three kinds of tools. • Explain the importance of the International System of Units. • Describe how to measure length, area, mass, volume, and temperature. • Identify lab safety symbols, and demonstrate safe practices during lab investigations.

  4. Units of Measurement • The International System of Units Begun by the French Academy of Sciences in the late 1700s, the SI is used by almost all countries in the world. • All SI units are based on the number 10, which makes conversion from one unit to another easy.

  5. Length • Measurement from one point to another • SI-Meter • English Standard-inches, feet, yards, miles

  6. Area • Measurement of a surface • Area=length x width • SI-meters squared • English Standard-inches squared, feet squared, yards squared, miles squared, acres

  7. Volume • measurement of space taken up • SI-liter • English standard-liquid oz, cup, pint, quart, gallon

  8. Mass • Measurement of matter, what it is made up of • SI-kilogram • English Standard-solid oz. and pounds

  9. Weight • Measurement of the pull of gravity on an object • SI-kilogram • English Standard- solid oz. and pounds

  10. Temperature • Measurement of hot/cold • SI- Celsius or Kelvin • English Standard-Fahrenheit

  11. Objectives for today • Describe three kinds of tools. • Explain the importance of the International System of Units. • Describe how to measure length, area, mass, volume, and temperature. • Identify lab safety symbols, and demonstrate safe practices during lab investigations.

  12. Tools for Science • Tools for Seeing • Microscopes, hand lenses, telescopes • Tools for Measuring • stopwatches, metersticks, balances, thermometers, spring scales, and graduated cylinders • Tools for Analyzing • calculators, computers, and a pencil and paper

  13. Measurement tools

  14. Safety Rules! • Follow your teacher’s instructions. • Read lab procedures carefully. • Pay special attention to safety information.

  15. Objectives for today • Describe three kinds of tools. • Explain the importance of the International System of Units. • Describe how to measure length, area, mass, volume, and temperature. • Identify lab safety symbols, and demonstrate safe practices during lab investigations.

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