Science

Please note that the Schedule for the Discover & Do Level 4 DVD is incorrect in some weeks. We apologize for any confusion this error may have caused. Please click on the link below to download and print a corrected Schedule. (6/2010)

Please note that the information for the Chick Embryo Slide on the back of the supplies list for the Microscopy Supply Kit is missing the information for the 18th hour. This information is needed for Experiment 16.1 in Week 35. We apologize for any confusion this error may have caused. Please click on the link below to download and print a corrected page. (6/2010)

Please note that there are some errors in Question #10 on Activity Sheet 141 in Week 30 of Science 6. We apologize for these errors. Please click on the link below to download and print a corrected version of this question.

Please note that the questions on Week 33's Student Activity Sheet are numbered incorrectly: there are two questions labeled #3. We apologize for this error and the confusion it has caused. Please re-label the questions with numbers 1-9 and use the following Schedule. (5/2010)

Activity Sheet Questions:
Day 1: #1-3
Day 2: #4-6
Day 3: #7-9

Please note that part of Activity Sheet Question #17 in Week 13 of Animals, Astronomy, and Physics is missing. We apologize for this error and have fixed it for future printings. The box that includes the words to be used to label parts of the skateboard is missing; here are the words to be used: truck / wheel / deck. (12/2009)

Please note that the Answer Key for Week 25 of Science 2: Geology, Meteorology, and Mechanical Technology has given incorrect answers for Questions #9 and 15. We apologize for this error and the confusion this has caused. Please click on the title above for the correct answers to Week 25, Activity Sheet Questions #9 and 15. (5/2011)

Please note that in Week 27 Discover & Do, Level 4 Track 74 is scheduled on Day 1 in which Justin shows you how to make 12 petri dishes. This step is necessary if you plan to do the Optional Experiments described on p. 33 and p. 50 of The Complete Book of the Microscope, however you will only need to prepare 3 petri dishes. If you do not plan to do the Optional Experiments, please feel free to skip that track on the DVD or watch it when convenient. We apologize for the confusion this has caused. (5/2011)