Monday, March 1st
Today in science: Most importantly, Dr. M announced that the Electrical Circuits Unit Test is scheduled for Tuesday, 9 March. Before asking students to turn in their completed Electrical Circuits packet, Dr. M asked students to transfer all of the “I CAN…” statements from the bottom of the packet pages into a pre-formatted Google Document assigned to them in the Google Science Classroom. After transferring the statements into Google Doc, students were then asked to color code the (bulleted) statements according to their confidence in doing these actions at this particular moment…
GREEN: I can do the “I CAN…” statement with GREAT confidence.
YELLOW: I can do the “I CAN…” statement with SOME confidence.
RED: I cannot do the “I CAN…” statement with ANY confidence.
Homework: Any student unable to complete the assignment described above during the lesson should complete the remaining portions of it for homework.
Tuesday, March 2nd
Today in science: After addressing the problems many students had with last night’s assignment, using mainly the work they did on packet page 434, students learned how a scientist would read the results displayed on analog ammeters. During this lesson, students learned about scientific ideas such as “methods,” “rules,” “estimation,” “accuracy,” “precision,” “uncertainty,” “confidence,” and “error.”
Homework: Students have been asked to revise their answers for packet page 434, which show currents measured by 20 analog ammeters. The main goal is for students to now express their answers as a scientist would, which was the focus of today’s science lesson.
Thursday, March 4th
Today in science: After seeing that next Tuesday’s unit test might use as many as three different symbols for a bulb (lamp), students were asked to do an investigation in their Lab Notebooks about insulators (those materials that do not allow electricity to flow through them) and conductors (those materials that do allow electricity to flow through them). To carry out this investigation, students needed to use a “test circuit” consisting of a bulb, an ammeter, and a 1.5 V battery/cell.
Homework: There is a Google Form in the Google Science Classroom that teaches you how to read ammeters scientifically. There are also some practice problems for you to do. Your successful completion of the ammeter problems in the Form will result in a 10-point score. Your score is based entirely on COMPLETION, however, and NOT whether you get the answers right or wrong. So, please just give it you best effort. Dr. M will provide the answers to the questions in class on Friday (or Monday).
Friday, March 5th
Today in science: Students had a chance to look at all of the ammeter problems from last night’s homework. After a bit of instruction from Dr. M and an example, students were asked to record the following information for all 5 ammeters (A-E) on a personal whiteboard:
- Smallest Known Interval (or SKI)
- Uncertainty value (or UNV)
- Final answer, including the correct number of decimal places and the units!
Homework: Students should use all of the tools made available to them to prepare for next Tuesday’s Electrical Circuits unit test. These include the Electrical Circuits packet, the color-coded Review Sheet (in the Google Classroom), and the digital class textbooks (also in the Google Classroom). On Monday, students will have a chance to ask questions and review their materials for the test (including seeing a couple of practice questions).