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Name Date Class THE INTERNATIONAL SYSTEM OF UNITS Section Review Objectives • List SI units of measurement • Distinguish • Convert and common SI prefixes between the mass and weight of an object between Celsius and Kelvin temperature scales Vocabulary • International System of Units kilogram (Sl) gram absolute zero (kg) energy (g) • meter (m) temperature • liter (L) • weight Part Use joule • Celsius scale (J) calorie (cal) Kelvin scale A Completion completion exercise to check your understanding of the concepts and terms this that are introduced in this section. Each blank can be completed with a term, short phrase, or number. The 1 International System of Units 2 system. There are unit of length is SI (SI) is base units. In SI, the base 3 the The space taken up by a cube that is 10 cm on each edge is given mass 5 is its water at 40C is one . . Scientists The 9 and the 10 2. seven 3. meter 4. liter 6. gram commonly use two 7. celsius 7 8. kelvin 9. joule equivalent units of temperature, the degree . metric weight The mass of one cubic centimeter of 6 1. 5. A measure of the pull of gravity on an object of one 8 a revision of the are and the common units of energy. 10. Chapter 3 calorie Scientific Measurement 57 Name Date Class Part B True-False Classify each NT 11. The 12. A decigram is 13. The 14. There are NT AT of these statements as always SI base unit of mass is true, the AT; sometimes true, ST; or never true, NT. milliliter. 100 times smaller than a gram. SI unit of volume is derived from the unit of length. NT six basic SI units of measurement. Part C Matching Match each description in Column B to the correct term in Column A. Column A k Column B 15. Kelvin scale a. quantity of heat that raises the temperature of 1 g of pure water by e 16. International System of Units (SI) IOC. b. the capacity to do work or to produce heat m 17. temperature c. the SI unit of energy 18. meter d. non-SI unit of volume e. standardized system of measurement based on the metric system f. mass unit commonly used g a 19. calorie l d c 20. Celsius scale 21. liter 22. joule g. in chemistry the SI unit of length h. force that measures the pull of gravity on a given mass h 23. weight i. zero point on the Kelvin scale equal to -273.150C i j 24. absolute zero 25. kilogram f 26. j. k. base unit of mass temperature scale on which the freezing point of water is 273.150 and its boiling point is 373.150 gram l. b SI freezing scale that sets the freezing point of water at 00 and its boiling point at 1000 27. energy m. measure of how hot or cold an object is 58 Core Teaching Resources O Name Part Date D Class Questions and Problems Answer the following in the space provided. 28. What is the volume of a board that measures 1.8 cm by 8.8 cm by 30.5 cm? 1.8 cm x 8.8 cm x 30.5 cm = 483.12 = 4.8 x102 cm3 29. Hydrogen boils at 20K. What is the boiling point of hydrogen on the Celsius scale? K-273 2--273 = -253°C 30. What is the symbol and meaning of each prefix? a. pico- b. kilo- a. 10-12 p b. 103 k c. micro- c. 10-6 m d. centi- d. 10-2 c Chapter 3 Scientific Measurement 59