Science 10:  We reviewed endo and exothermic reactions first, then learned how to use the Heat equation to determine how much energy is gained by material when it is heated.  The Thermal Energy WS was completed first, then time was provided to finish page 147 # 1-7.  We then completed the Calorimetry Lab (all procedure and all questions). We finished with a short review of Scientific Notation and a video on a solar space probe.     Click here to see the Sci10 assignment log.

Chemistry 12:  To start we wrote brief notes on Le Chatelier's Principle and read section 2.4.  Due next class are Unit 2 # 14-16 as well as 17-27 (odds only for this part).We spent time completing Lab 19B, which is due on Monday.    We found time to learn about the Equilibrium Constant too, and Unit 2 # 31 - 35 were added to your assignment.   Click here to see the Ch12 assignment log.

Science 8:    We started by going over the answers to page 147 and this was checked. We worked on the Waves WS, and this is due next class.   The Chemistry Unit Test was completed today. We took brief notes on Visible Spectrum and watched this clip that shows how white light contains all the colors (ROYGBIV). This clip shows how Isaac Newton demonstrated that white light is made of ROYGBIV components.  We started page 151 # 2-10, but this is not due.  Click here to see the Sci8 assignment log.

Chemistry 12:  We completed the procedure for Lab 19B today.    Question #1 from Lab 19B and Unit 2 # 14-16 are due Wednesday.  Click here to see the Ch12 assignment log.

Science 10:  Careers Day today - thank you to all the community members who volunteered their time to present to our students.   Finish the Energy Intro WS for Thursday.   Click here to see the Sci10 assignment log.

Science 8:    The Chemistry Unit Practice Test was collected and marked by Mr. Gale.  Click here to see the key.  It was returned at the end of the day - our Chemistry Unit Test will be tomorrow.  We practiced calculating frequency of a wave form, then we wrote brief notes on Waves.  We read our text in order to be able to complete page 147 # 1-4, 7 and 8.  Click here to see the Sci8 assignment log.

Chemistry 12:  We completed the procedure for Lab 19B today.  We also discussed the pattern that some chemicals react to completion, some don't react, and some form equilibrium systems.  Question #1 from Lab 19B is a good item to complete, but don't move on to #2 until your values have been checked.  Read section 2.3 from Hebdon and complete Unit 2 # 14-16.  Click here to see the Ch12 assignment log.

Science 10:  We completed the Chemistry Unit Test today.  With the remaining time we completed a Goal Setting exercise.  Check the answer key to the Energy WS and spend time completing page 147 # 1-7.  Click here to see the Sci10 assignment log.

Science 8:    We reviewed atomic theory first, and discussed how isotopes are atoms of a particular element that differ by the number of neutrons in their nucleus.  This video shows how chemists collide atoms in cyclotrons to make larger atoms.  We have our own small accelerator, in Vancouver, called TRIUMF.  We wrote the Chemistry Practice Test today - it is due tomorrow.  Chemistry test on Wednesday.  Click here to see the Sci8 assignment log.

 Chemistry 12: Today we completed the Rates of Reaction Unit Test, then we prepared Lab 19B.   Click here to see the Ch12 assignment log.

Science 10: After marking a portion of the Precipitations Mini Lab WS it was handed in.  We took brief notes on Energy Changes in Chemical Reactions, then read pages 140 - 145 in our textbooks.  Everyone was encouraged to check the answer key for the Chemistry Practice Test.  Due on Tuesday is page 147 # 1-7.  Next class,Monday, we will have a test on the Chemistry Unit, but today's topic will not be on the test.   Click here to see the Sci10 assignment log.

Science 8:  We marked a portion of page 208 # 2, 5-7, 12, 13 and 212 # 5,  then it was handed in.  Everyone was assigned an atom with a specific mass number and we made posters of models of these atoms.  The poster was collected at the end of our class.  Next week on the double block we will have a test on the Chemistry Unit.  A Practice Test will be given out on Monday.  Click here to see the Sci8 assignment log.

Chemistry 12:  To begin we reviewed mechanisms by looking at the destruction of ozone by chlorine radicals that was happening in the 80s and 90s.  Good thing for governments that make rules - we no longer worry about ozone depletion because the harmful chemicals, CFCs, have been largely discontinued.  This video showed how Catalytic Converters use Pt and Pd catalysts to clean up exhaust gases in gasoline vehicles.  Another example of governments making rules to change the practice of manufactures.  We wrote brief notes on Dynamic Equilibrium, then we read sections 2.1 and 2.2.  We completed Unit 2 # 1-13.  If there was time, Lab 19B can be prepared.  Next class we will have a test on Rates of Reaction (Unit 1).  Click here to see the Ch12 assignment log. 

Science 8:  We started by looking at video of Lab 10-3, showing steps 9 and 10.  We learned about what is inside an atom, and a little about how electrons and protons were discovered.  After writing brief notes on Atomic Structure, we did page 208 #2, 5-7 and page 212 # 5 & 10 - these are from a handout.   In the second half we learned about frequency (calculated by dividing the number of cycles by the number of seconds).  We determined the frequency of steps in Usain Bolt's world record 100 m race in Berlin n 2009.  We practiced a few more problems, then made a pendulum and determined the frequency.  Chemistry test on Tuesday.   Click here to see the Sci8 assignment log.

Wednesday, February 19th

Science 10: After a short review we completed the Precipitations Mini-Lab and Worksheet.    We spent a little time working on the Chemistry Unit Practice Test and checking the answers with the posted answer key.  On Monday we will have a test on all we have learned so far this semester.  In the final 40 minutes we wrote brief notes on Energy, then read pages 198 - 205 in our textbook.  We worked on the Energy WS.  Click here to see the Sci10 assignment log.

 Science 8:  After a short review I collected the Density Mini Review WS and we did the procedure for Lab 10-3.  This short clip will show you what procedure steps 9 and 10 looked like.  The Analysis questions are not due Thursday.

Science 10:  I asked for additional page 175 # 1,4-6, 8 assignments from last week.  We did Lab 23:  A Neutralization Reaction today, including Analysis Questions 1-5b.  These are due next class. Time will be provided for the Chemistry Practice Test next class too, and we will have a Chemistry Unit Test on Friday.  

Chemistry 12:  We completed the Rates Problems Involving Stoichiometry WS today, and the key was posted at the side.  I collected Rates Practice Tests too, and marked the Written Response section, then gave them back.  Click here to see the MC answers.  Rates Test on Friday.

  

Thursday, February 13th

Science 8:  We reviewed density by determining the density of paper (we used our textbook, a nice brick of paper).  The heating curve graph from Tuesday was handed in.  We completed the Density Mini Review WS, which is due on Tuesday.  To prepare for Lab 10-3 on Tuesday, we made kits of saline solutions with different concentrations.  We read pages 368 - 371 in our textbooks, then completed page 375 # 1-11 in sentences.  Click here to see the Sci8 assignment log.

Chemistry 12: Today we started with a quiz on Unit 1 # 54 - 61.  Time was given to finish Unit 1 problems (so far we have done # 1-61, but not 33). Time was given to finish Lab 18C, which was handed in.  The Rates Practice Test was given out today too, and we will have a test on Unit 1 on Thursday, February 20th.  Click here to see the Ch12 assignment log.

Wednesday, February 12th

Science 10: We started with Balancing Minipractice C, and self checked our work.  We took brief notes on the 6 categories of chemical reactions.  We read pages 165 - 171 in our textbook, then completed page 175 # 1,4-6, and 8.  We watched Vaitea Cowan on TED, speaking about Hydrogen fuel which may reduce atmospheric Carbon Dioxide if we can avoid using fossil fuels to make it.   The Chemistry Practice Test was worked on during the final portion of our class.  Click here to see the Sci10 assignment log.

Chemistry 12: Today we learned how to draw Potential Energy graphs for reaction Mechanisms after starting with the Mechanisms Mini Practice WS.  We read sections 1.10 to 1.12 and completed Unit 1 # 54 - 61.  We also watched "Deconstructed: Catalytic Converter".  Lab 18C is due Thursday.   Click here to see the Lab Marking Guide.  Click here to see the Ch12 assignment log.

Science 10: We started with Balancing Minipractice B, and self checked our work.  This animation shows how atoms and molecules just change their partnerships during a chemical reaction, and that no atoms are made or destroyed.  This means that the total mass in any chemical reaction must remain constant.  We read pages 125 - 130 in our textbook, then completed page 135 # 1,4,5,7,8.  A little time was given to finish Lab 8.1   Click here to see the Sci10 assignment log.

Science 8:  We marked a portion of page 192  # 1, 3-7, and 9, then it was handed in.  We watched the Periodic Table of Videos: Mercury clip.  Time and temperature data for the heating of a mystery yellow solid was provided, and everyone drew a graph of Temperature vs Time to determine the mp and bp.  The graph is due Thursday.  Remaining time was spent on the Measurement WS . Click here to see the Sci8 assignment log.

Monday, February 10th

Chemistry 12:  We completed the WS titled "Short Review of 1.1 to 1.8", and used the key check it.  We read section 1.9 to learn about reaction mechanisms, and watche the first 3 minutes of Reaction Mechanisms on the Khan Academy.  Unit 1 # 46 - 52 was completed, and the rest of the time was spent on lab 18C.  Click here to see the Ch12 assignment log.

Science 8:  Everyone received their periodic tables today, and we completed a placemat to help begin exploring the getting to know the table.  From a handout of page 192 we completed # 1, 3-7, and 9. Click here to see the Sci8 assignment log.

Science 10:   We started with Balancing Minipractice A, and self checked our work.  We completed Lab 8.1 today.  Click here to see the Sci10 assignment log.

 Chemistry 12:  First we reviewed the graphs for Lab 18C and discussed how room temperature curve is roughly half as steep as the 30C  curve.  For slow reactions, chemists think that a 10C increase in temperature results in a doubling of the reaction rate.   We took brief notes on Collision Theory, then we read sections 1.7 and 1.8.  We completed Unit 1 # 29 - 45, which are due Monday.  Lab 18C is due Thursday.  Click here to see the Ch12 assignment log.

Science 8:  Time was given to complete Lab 7-4 (Procedure # 1-10 and What did I Learn Questions # 1-4.  The Measurement WS was also worked on.  I collected Lab 7-4 at the end of class.  Click here to see the Sci8 assignment log.

Science 10:   First we marked the "Writing Reaction Equations WS".  We then looked at this animation that shows reacting particles in a chemical reaction.  We learned how to balance chemical equations and completed the Balancing Intro WS as well as Balancing II WS.  Well done!  Click here to see the Sci10 assignment log.

Chemistry 12:  We completed Lab 18C procedure, and the graph from Question 1 is due Friday.  Click here to see the Ch12 assignment log.

Science 8:  We looked at the Density Lab from Tuesday, then we did Lab 7-4 from our textbook.  We prepared our lab report, completed all the procedure, then started the graph.  No work is due for Friday.  Click here to see the Sci8 assignment log.

 Science 8:  We learned how to determine the density of a substance by first finding its mass and volume, then using the density equation (d = m/v).  We found the density of a metal, an non-metal solid,  water, and a mystery liquid.  No work is due on Wednesday.  

Science 10:  We read pages 202 to 208 in the old Probe 10 textbook to learn about acids, bases, and salts.  We created a miniposter to show our understanding, and at the end we did a mini fun quiz to identify acids, bases, and salts from various types of data.

Chemistry 12:  We went to the Scholarship Presentation in the RPAC today, and the remaining time was spent preparing Lab 18C.  Due Wednesday is Unit 1 # 1-28.  Also, read the procedure and Pre-Lab discussion for Lab 18C, so you are prepared for your lab on Wednesday morning.

Chemistry 12:  After a short review WS on rates, we took brief notes on Enthalpy and read section 1.6.  Due next class is Unit 1 # 23-28.  We also prepared Lab 18C like usual, then we started a review WS for sections 1.1 to 1.3.   Click here to see the Ch12 assignment log.

Science 8:  We took brief notes on Mass, then we learned how to use a mass balance.  We weighed a number of items [piece of Galena, empty beaker, beaker with 50 mL of water, choice object], showing our masses to 3 decimal places. Click here to see the Sci8 assignment log.

Science 10:   We learned how to name and write formulas for covalent compounds today, and we read pages 192 and 193 in the old Science Probe 10 textbook.  We did page 195 # 1 and 2, which is due on Tuesday.   Click here to see the Sci10 assignment log.

Chemistry 12:  We had a short discussion about collision theory, and I used this animation to show the effects of increasing temperature, or pressure, or concentration.  We read sections 1.3, 1,4 and 1.5 in Hebdon, then completed # 10 - 22.  These are due on Monday.  Click here to see the assignment log.

Science 8:  Page 249 # 1-5 was handed back today with helpful comments - please adjust your writing according to the comments I provided.  Quite a good effort overall on your first textbook assignment.   We spent more time learning how to measure to the nearest one tenth of the smallest division, and we measured some liquid volumes with graduated cylinders and beakers to try our skills.    We took brief notes on Measurment, then completed the Measuring Volumes WS.  Due on Monday are page 251 # 2-4 and 253 # 1-4, (half in sentences).   Click here to see the assignment log.

Science 10:   We reviewed how to measure liquids in chemistry labs, then we practiced measuring a few volumes.  We learned about polyatomic ions and how to find them on page 3 in our databooklet, and we tried 5 names and 5 formulas of ionic compounds .  In the last 20 minutes we viewed 10 ionic compounds and recorded the ion formulas, names and compound formulas.  This task was collected at the end of class.  Click here to see the assignment log.

Science 8:  We reviewed safety and the Kinetic Molecular Theory, then we did a Safety True/False practice quiz.   After heating some items to show thermal expansion, we read pages 250 - 253 and completed page 251 # 2-4 and 253 # 1-4, half in sentences.  In the final minutes we learned how to measure to the nearest one tenth of the smallest division.  Click here to see the assignment log.

Science 10:  We started with a short review of matter categories and safety knowledge, then we tried the Safety Practice Quiz.  We read pages 108 and 109 as well as 112 and before finishing page 100 # 1-4.  In the final 20 minutes we reviewed how to name and write formulas for ionic compounds, and we practiced with 5 names and 5 formulas.  Click here to see the assignment log.

Chemistry 12:  We read sections 1.1 and 1.2 today, and completed Unit 1 # 1-9.  Lab 7 and the Rates WS were handed in.  We took brief notes on the factors that affect rates of reaction.   Click here to see the assignment log.

Chemistry 12:  Today we reviewed the definition of reaction rate, and discussed increasing the rate of reaction while lighting a fire (kindling provides surface area and heats up more easily, blowing on it increases the concentration of O2 at the reaction site, and a growing fire provides it own mechanism for increasing the temperature).  We also did Lab 7 - complete the calculations for Thursday.  We also reviewed the answer key to the Rates of Reaction WS from Tuesday. Click here to see the assignment log.  

Science 8:  We learned about the kinetic molecular theory, and wrote some brief notes on Phase Changes before reading pages 246 to 249.  Due next class is page 249 # 1-5 in sentences.  This animation helps with understanding phase changes.  

Science 10:  We reviewed atoms, molecules, elements, compounds, pure and mixture using a number of animations.  After observing some elements, compounds, and mixtures, we readpage 98 to 105 in our textbook.  We started page 100 # 1-4, but this is not due on Thursday.

Tuesday, January 28, 2025

Chemistry 12:  After going through the course outline we reacted a penny in nitric acid and reviewed all the ways to determine the rate of reaction.  We went with mass of Cu reacted per second, then performed a trial.  We also brainstormed ways to speed up the reaction.  The Rates WS was completed, and is due next class.  

Science 8:  After going through the course outline we reviewed all the classroom safety equipment and the fire alarm exit procedure.  We drew a map of room 313, showing all the safety equipment, nearest fire pull, nearest fire extinguisher, and the fire exit route.  In the last 20 minute we read through a list of science safety rules and categorized them.

Science 10:  After going through the course outline we reviewed all the classroom safety equipment and the fire alarm exit procedure.  We drew a map of room 313, showing all the safety equipment, nearest fire pull, nearest fire extinguisher, and the fire exit route.  In the last 20 minute we read through a list of science safety rules and categorized them.

 Chemistry 11:  We did Lab 16D today, but avoided the Follow-up Questions and the Conclusion.  IN the second half we did the 60 minute mock final, which was scored and handed back to you.  Click here for the answer key for the Solutions YER assignment.  

Science 8:  A busy and focused day - your best ever afternoon double block.  Well done.  We completed Lab 12F first (Absolute Age), then spent time finishing and correcting the Geology Practice Test using the key on the side counter.  Click here to see a key to Lab 12F.  We then completed the Geology Unit Test.  The final minutes were spent finishing and correcting the Science 8 Practice Final Exam (answer key also on the side counter).  On Tuesday, we will write our final exam.  Ensure to have all your supplies (pens, pencils, ruler, calculator, optional drink and snack).  Drop off your textbook before you come to class, but bring your binder to our last session.

Chemistry 11:  Organic Unit Test today.  On Thursday, we will do a short Lab and continue with Final exam review.  Final Exam on Friday.

Chemistry 12:  We spent some time reviewing Le Chatelier's principal today (you can practice this by redoing portions of Unit 2 # 21 - 29).  The remainder was spent on final exam prep of your choice:  Take Home Final #1 (answer key here), Take Home Final #2 (answer key here), or the Electrochemistry Practice Test (answer key here).  On Tuesday afternoon we will do a 60 minute mock final, and more individual review time.  Final Exam on Wednesday morning.

Chemistry 11:  We completed the Organic Practice Test today, and it is due Monday.  On Monday we will do the Organic Test.  Final Exam on Friday January 24.  

Chemistry 12:  After some year end review of various topics we watched this clip about electroplating.  We completed a minireview with questions about titrations and electrochemical cells.  Time was given to complete other items for final exam prep:  Take home final #1 and the Electrolysis Mini Review.  Click here for the Key to take home final #1.

Science 8:  We reviewed the Kinetic Molecular Theory and atomic Structure first, then we spent time finishing two tasks:  Geology Practice test (answer key on Jan 16 post) and the Mini Practice Final (click here for the key. 

Thursday, January 16, 2025

Chemistry 12:  We completed Lab 21C today, which was due by the end of class.  No homework is due, but ensure that you are logging hours preparing for your final exams next week.

Science 8:  We reviewed relative age and the rock cycle (short video), then we completed Activity 12E, where we used fossil evidenced to create a standard column.  We learned to identify and name glacial feature that we might find around Revelstoke, and completed the Glaciation WS.  We read pages 392 - 396 in our Probe 8 Textbooks, then we started the Geology Practice Test, which is due Monday.  Click here to see the key.

Chemistry 11:  We took notes on oxy and nitro functional groups, then we did the Functional Groups WS parts B and C.  A key was provided at the side counter.   We then worked on final exam review - assignments for the Moles Unit, Reactions Unit, Solutions Unit, and Atomic Theory Unit will be available.  One must be finished before another is released, in order to encourage a steady approach to final exam prep.  We also watched this clip on the production of polyethylene plastics.  On Friday we will do the Organic Practice Test, and on Monday we will complete the Organic Test.  Final Exam on Friday, January 24th.

 Science 8:  We reviewed the rock cycle, then we learned about Relative Age.  We completed Activity 12D from the old Probe 10, where we generated vertical lists showing structures and events from youngest to oldest.  Click here to see a key.  We also looked at our Immune System Flippit from September to review the immune system. This clip helped us review the immune system.

Chemistry 11:  We read section 10.5 and completed # 30 and 31 to practice names and structural formulas of aromatic molecules - those that contain rings with alternating single and double bonds, like benzene.  In the second half we learned about alcohol functional groups, read 10.6, and completed Organic WS #9 (Alcohols).

Chemistry 12:  We spent 40 minutes reading Lab 21C and preparing it (creating tables, starting questions, etc).  Next class we will begin with Lab 21C and it must be handed in before you leave that day.  In the second half we learned about Electroplating and completed the Electrolysis Review WS.  

Monday, January 13

Science 8:  We finished the Volcano Spreadsheet as described on Friday's post.  The remainder of Volcano! filled the final 20 minutes.

Chemistry 11:  We learned about Cis and Trans isomers and finished reading section 10.4.  WS #6 provided some practice, and is due Tuesday.  Final exam review was accomplished as well - a Final Exam Moles Review assignment was given out and the answer key is on the side counter.  Bring this to me when done.  The Reactions Final Exam Review WS will be next. 

Chemistry 12:  We took brief notes about Electrolysis, and watched this clip that explains how Aluminum is smelted.  Due next class is Unit 5 # 64-69.  Your final is 9 days away, please spend some time preparing. 

Chemistry 12:  We began with a short discussion about batteries and cells, then we watched this clip about manufacturing batteries.  We took brief notes on Corrosion, then read pages 230, 231, and section 5.12.  Problems # 60 - 63 are due for Monday, along with WS titled Mini Review of Electrochemical Cells.  

Chemistry 11:  We wrote notes on Alkenes and Alkynes, then we read pages 226 and 227 before tackling Organic WS #4.  The remainder of the class was spent on finishing Lb 7B, which is due Monday with a conclusion.  A Moles YER WS was made available, but is not due.

Science 8: After reviewing the rock cycle, we created an Excel spreadsheet with data on 10 volcanoes.  On the spreadsheet, these items need to be listed:  Name, Country, Continent or Ocean, Cause, Altitude, Date of last eruption, Hemisphere, Capital City of Country.  Save the Excel spreadsheet with a useful file name to your OneDrive.  We will continue with this on Monday.

Science 8:  We began with a short review of the causes of volcanoes, then we learned about the rock cycle.  Everyone drew their own rock cycle, naming the 3 rock families and including these key terms:  lava, sediments, erosion, cooling, heat, weathering, magma, extrusive, pressure, striations, wind, solidification, compaction, granite, sandstone, obsidian, shale, slate, pumice, solidification, intrusive, conglomerate.  Include sketches and text to explain how rocks change family.  A little time was given to complete page 413 # 1-10, which is due Friday.  We watched the first 25 minutes of Volcano!, a National Geographic documentary.  In the final minutes we reviewed cell anatomy.

Chemistry 12:  We completed the Standard Cell Voltage review, and we did #6 together.  We took brief notes on Finding the Preferred Reaction.  After reading section 5.10 we completed Unit 8 # 47, which is due Friday.  In the second half we reviewed ideas from the Rates of Reaction unit, and we completed the Mechanisms Mini practice WS.  Be sure to be spend some time reviewing (skim your text; focus on the titles, subtitles, images, and bold words) and completing practice problems to prepare for your final exam.  You will get a practice final next week.

 Chemistry 11:  I collected Organic WS #3.  We began with a review of the Categories of Matter, then learned about alkyl halides (hydrocarbons which contain fluorine, chlorine, bromine, or iodine. ). We read section 10.3, then we completed # 15-17.  In the second half we completed Lab 7B ( all questions and follow up questions are due Friday, but not a conclusion.

Chemistry 11:  We started with a short discussion about cyclic alkanes, then we read pages 222 and 223.  Organic WS #3 was completed first, then time was given to finish Unit 10 # 3-11.  The last few minutes were spent preparing lab 7B.  Due Wednesday is WS #3 and Unit 10 # 3-11.  Your final exam is in two weeks;  now is a good time to review past concepts.

Chemistry 12:  We reviewed key terms from earlier on, then we took brief notes on Calculating Standard Cell Voltage. We read section 5.9, then completed # 36-40 and 44, which is due next class. In the last 10 minutes we had a quiz on balancing redox equations.  Your final exam is in two weeks;  now is a good time to review past concepts.

Science 8:  We took brief notes on Volcanos. Then we read section 11.1 in our text and completed # 1-10 on Page 413 in our best science writing (sentence strucures, labelled diagrams, many key terms, concise writing, white space to help the reader).   Pag 413 will be due on Friday.   We finished off with the rock cycle intro:  Igneous, Sedimentary, and Metamorphic families. 

Chemistry 11:  We looked at the calendar first, which showed us that only 2 weeks of regular classes remain until the end of the semester.  Wow!  Now is a good time to review for your final exams, which begin in two weeks.  We finished the Organic Assignment # 2, checked the key, then started Unit 10 # 3-11 from Hebdon.    Complete #3-8 for Tuesday.

Chemistry 12:  We looked at the calendar first, which showed us that only 2 weeks of regular classes remain until the end of the semester.  We will avoid an Electrochemistry Unit Test, and use the final for your assessment.  Now is a good time to review for your final exams, which begin in two weeks.   I collected a few last Lab 21Ds, then we learned how to balance half reactions and full reactions.  Due next class are 10 balancing problems from #24.   At least 4 must be basic.  At least 2 must be disproportionation reactions.

Science 8:  We looked at the calendar first, which showed us that only 2 weeks of regular classes remain until the end of the semester.   In our class, we will finish with a final exam that will contain items from all the units we have learned about. Today we reviewed the plate boundary map, then completed a crossword to review Seismology.  We wrote brief notes on an Earth Cross section to explain converging and diverging boundaries.  In the last 15 minutes we completed the WS titled "Getting to Know the Plate Boundaries Map" and we used page 6 and 7 maps (the world map & map of western North America )