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
9/9/14 CHEMISTRY MRS. TURGEON DUE DATE SUMMARY: 1.Learning Roles & Safety Worksheet- Today 2. Foldable/Flashcards Wednesday, 9/10/14 3. Elements Quiz (1-20), Thursday, 9/11/14
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.
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
106,000 aluminum cans, the number used in the US every 30 seconds.
106,000 aluminum cans, the number used in the US every 30 seconds.
Scientific Notation # from 1 to x 10 exponent 800= 8 x 10 x 10 = 8 x = x 10 x 10 x 10 = x = 1.4 ÷ 10 ÷ 10 ÷ 10 = 1.4 x 10 -3
Change to standard form x 10 –5 = 3.7 x 10 8 = 7.88 x 10 1 = x 10 –2 = 370,000,
Change to scientific notation. 12,340 = = = 1,000,000,000 = x x 10 –1 8 x 10 –3 1 x 10 9
Prefixes in the SI System Power of 10 for Prefix SymbolMeaning Scientific Notation _________________________________________________________ mega-M 1,000, kilo-k 1, deci-d centi-c milli-m micro- nano-n
If a set of calculations gave you the following numbers and you want to express your answer correctly for our class then…… becomes becomes How do I express my answer? Always round to the hundredth spot