GC_4253_L01_Intro_Science.docx - Introduction to Science EXERCISE 1 UNIT CONVERSION Use Figure 10 to convert each value into the designated units Figure

GC_4253_L01_Intro_Science.docx - Introduction to Science...

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EXERCISE 1: UNIT CONVERSION Use Figure 10 to convert each value into the designated units. Figure 10. Conversions for temperature, time, mass, and length. 1. 46.0 g = _0.04 6kg 2. 57 seconds = _0.95 minutes 3. 13.5 cm = _5.314961__ inches 4. 47 °F = __8.3333333333 _ °C ©eScience Labs, 2015 Introduction to Science
EXERCISE 2: SIGNIFICANT DIGITS AND SCIENTIFIC NOTATION Part 1 Determine the number of significant digits in each number and write out the specific significant digits. 1. 405000 3 significant numbers 405 5. 0.0098 2 significant numbers 98 6. 39.999999 8 significant numbers 39999999 7. 13.00 4 significant numbers 1300 8. 80,000,089 8 significant numbers 80000089 9. 55,430.00 7 significant numbers 5543000 10. 0.000033 2 significant numbers 33 11. 620.03080 8 significant numbers 62003080 Part 2 Convert each regular number into scientific notation. 1. 70,000,000,000 7.0 x 10^10 12. 0.000000048 4.8 x 10^-8 13. 67,890,000 6.7890000 x 10^7 14. 70,500 7.0500 x 10^4 15. 450,900,800 4.50900800 x 10^8 16. 0.009045 9.045 x 10^-3 17. 0.023 2.3 x 10^-2 ©eScience Labs, 2015 Introduction to Science
EXERCISE 3: EXPERIMENTAL VARIABLES Determine the variables tested in each of the following experiments. If applicable, determine and identify any positive or negative controls.

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• Spring '15
• Khurana
• Escherichia coli, Agar plate, Petri dish, Agar

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