Homework Assignment for Unit 37
|This Unit's||Homework Page||History Lecture||Science Lecture||Lab||Parents' Notes|
Read before our discussion section:
History Web Lecture: Lavoisier and Chemical Reactions
Science Web Lecture: Reactions
Log into the Moodle, click on the Natural Science II course link, and then on the forum link in session 4, Unit 37. Post your definition to the forum. Read any other posted definitions.
How many elements did Lavoisier propose in place of Earth, Fire, Water, and Air? Are all of his proposed elements actually recognized as elements now? How do we determine what is an element, and what is a substance?
Log into the Moodle (if you are challenged, use your own Scholars Online userid and password), click on the master exercise for the unit, and attempt the mastery exercise at least once before chat. Bring any questions you have to chat. Then return and attempt the exercise as many times as necessary to achieve an 85% or better score.
Lab Instructions: Oxygen Consumption in a Burning Candle
Labs are within two weeks of the discussion section; the extra time should allow you to find equipment or materials. Post your lab results to the class Lab forum, in the appropriate thread.
Take the quiz for this unit. Notice the times the quiz opens and when it closes and be sure that you complete it on time! [Remember that you must first complete the Mastery Exercise with a score of 85% or better in order to take the quiz.]
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