sound is accurate explained with scientific facts. at least 3 Calculations of accurate decibel levels scientific facts. are at least 90% Calculations of accurate. decibel levels An explanation are 100% of how sound accurate. affects hearing An explanation includes at least of how sound 1 accurate fact. affects hearing Two different includes at least solutions. 2 accurate facts. Four reasons for Two different choosing one solutions. solution over Four reasons for the other. choosing one solution over the other. Mechanics 10 points 7 points 3 points The report contains no The report contains 1-3 The report contains grammatical errors grammatical errors. more than 3 such as capitalization, grammatical errors. spelling, punctuation, or subject-verb agreement. Scoring Conversion Guide A 90 100 – B 80 89 – C 70 79 – D 60 69 – F Less than 60
sound is explained with at least 3 accurate scientific facts. Calculations of decibel levels are 100% accurate. An explanation of how sound affects hearing includes at least 2 accurate facts. Two different solutions. Four reasons for choosing one solution over the other. accurate scientific facts. Calculations of decibel levels are at least 90% accurate. An explanation of how sound affects hearing includes at least 1 accurate fact. Two different solutions. Four reasons for choosing one solution over the other. Mechanics 10 points The report contains no grammatical errors such as capitalization, spelling, punctuation, or subject-verb agreement. 7 points The report contains 1-3 grammatical errors. 3 points The report contains more than 3 grammatical errors. Scoring Conversion Guide A 90 – 100 B 80 – 89 C 70 – 79 D 60 – 69 F Less than 60
greene.pbl-2.final.docx