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Warm up 09/11/13

Warm up 09/11/13. Question: If you are 1.54 m tall, how many cm are you? Answer: move decimal 2 to the right. 154 cm Goal: I will practice using the metric system. ELEMENT OF THE DAY. 2 – Helium - He

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Warm up 09/11/13

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  1. Warm up 09/11/13 • Question: If you are 1.54 m tall, how many cm are you? • Answer: • move decimal 2 to the right. • 154 cm • Goal: I will practice using the metric system

  2. ELEMENT OF THE DAY • 2 – Helium - He • Helium was the first element discovered by looking into space and observing the light given off by the sun. • The helium we use is extracted from natural gas and was formed by the decay of uranium and thorium (beta decay) • Disposable helium tanks often have added oxygen to prevent suffocation by children.

  3. Attendance / Late work • Review HW / Name tags! • World’s Roundest Object • Tonight’s Homework Agenda

  4. Homework • Packet – pg 19-26 • Late parent email & lab safety

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