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Natural Science - Year II

Unit 38: Dalton and Chemical Bonds

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Homework Assignment for Unit 38

This Unit's Homework Page History Lecture Science Lecture Lab Parents' Notes

Homework for Unit 38: John Dalton and Modern Chemistry

Reading due before our discussion:

History Web Lecture: John Dalton and Early Modern Chemistry

Science Web Lecture: Chemical Reactions


Chat Preparation Essay

Log into the Moodle, click on the Natural Science II course link, and then on the forum link in session 5, Unit 38. Post your definition to the forum. Read any other posted definitions.

How did Dalton communicate with his fellow chemists? How was he able to find out about their work? How does sharing and comparing observations and results help scientists work more effectively?

Mastery Exercise

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 Exercise

Lab Instructions: Precipitation Reactions

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.

Unit Quiz

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.]