1. 9/9/14 CHEMISTRY MRS. TURGEON “Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.” –Albert Einstein OBJECTIVES SWBAT: 1.Complete 2 scientific notation conversions independently 2.Diagram the procedure for a lab DO NOW: Name two important functions of the “Quality Control” member of a POGIL group

2. 9/9/14 CHEMISTRY MRS. TURGEON DUE DATE SUMMARY: 1.Learning Roles & Safety Worksheet- Today 2. Foldable/Flashcards 11-20 Wednesday, 9/10/14 3. Elements Quiz (1-20), Thursday, 9/11/14

3. 1.What you did to ripped jeans 2.What a cloud does 3.What you do to flowers in the spring 4. What you do in a play Use the pun to help you identify the element. Give the element’s name and symbol.

4. 1.What you did to ripped jeans 2. What a cloud does 3.What you do to flowers in the spring 4. What you do in a play The answers are … Sodium - Na Uranium - U Platinum - Pt Actinium - Ac

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6. 106,000 aluminum cans, the number used in the US every 30 seconds. www.chrisjordan.com

7. 106,000 aluminum cans, the number used in the US every 30 seconds. www.chrisjordan.com

8. Scientific Notation # from 1 to 9.999 x 10 exponent 800= 8 x 10 x 10 = 8 x 10 2 2531 = 2.531 x 10 x 10 x 10 = 2.531 x 10 3 0.0014 = 1.4 ÷ 10 ÷ 10 ÷ 10 = 1.4 x 10 -3

9. Change to standard form. 1.87 x 10 –5 = 3.7 x 10 8 = 7.88 x 10 1 = 2.164 x 10 –2 = 370,000,000 0.0000187 78.8 0.02164

10. Change to scientific notation. 12,340 = 0.369 = 0.008 = 1,000,000,000 = 1.234 x 10 4 3.69 x 10 –1 8 x 10 –3 1 x 10 9

11. Prefixes in the SI System Power of 10 for Prefix SymbolMeaning Scientific Notation _________________________________________________________ mega-M 1,000,00010 6 kilo-k 1,00010 3 deci-d 0.110 -1 centi-c 0.0110 -2 milli-m 0.00110 -3 micro-  0.00000110 -6 nano-n 0.00000000110 -9

12. If a set of calculations gave you the following numbers and you want to express your answer correctly for our class then……. 9 2.5795035 becomes 2.58 34.204221 becomes 34.20 How do I express my answer? Always round to the hundredth spot