G6 Week 03 – S2

Last week in science!

Monday, February 11th

Today in science: Due to the alternate schedules resulting from International Week activities, today’s science class was 5 minutes shorter than normal Mondays. This meant the delay of our opportunity to follow our Red Cabbage Protocol. Instead, students prepared for their investigation by collecting materials, learning a little bit about the relationship of red cabbage to other plants current growing in the science lab, and learning about the general function and purpose of flowers (= make fruits and vegetables!).

Homework: There is no science homework tonight.

Tuesday, February 12th

Today in science: Finally, the Red Cabbage Indicator day! During this lesson, working in groups of two students followed their slightly modified Red Cabbage Indicator Protocol. The goal was to learn how to create their own acid/base indicator solution, which will be used to test various liquids at home this coming weekend. During this lesson, students learned not only important safety tips for working with glassware and 100 degree C water, but also scientific ways of pouring, extracting, filtering, and cleaning! The lesson was a great success, and Dr. M was quite proud of his ‘minion’ scientists.

Homework: At the end of Tuesday’s lesson, students were given a round piece of filter paper with which to create (by cutting with scissors) as many strips of testing paper as they can from the round filter paper. The goal is to create as many 1 cm (wide) by 7 cm (long) strips as possible. Because the filter paper is round, it is expected that at least some of the strips will likely be 1 cm wide by something less than 7 cm long. Please bring your cut strips to school either in a small plastic bag, a paper envelop, or some other form of small container.

Wednesday, February 13th

Today in science: The two main themes for this lesson were “molecules,” and “dying,” as in applying dye to paper. Upon arriving in the classroom, Dr. M asked students to draw a new molecule. The molecule drawing made in class can be seen in the Notes Portal. Students then had the remaining time to soak their prepared test strips (i.e., last night’s homework) in the purple cabbage solution and set them out to dry overnight in clearly labelled, foil-lined plastic tubs. At the end of the period Dr. M issued Equipment Care points for a) properly stored dissection kits, and b) clearly labelled white plastic trays.

Homework: There is no science homework tonight.

Thursday, February 14th

Today in science: The two main themes for this lesson were “solutions” and “testing for acidity and alkalinity.” Upon arriving in the classroom, Dr. M asked students to begin filling our paper 7Ec(4). The purpose of this paper was to 1) practice using vocabulary introduced during the past 2-3 lessons, and 2) learn three new vocabulary terms–solvent, solute, and solution–which are all related to the concepts of acids and bases. After completing paper 7Ec(4), Dr. M distributed the experiment materials for this weekend’s homework (see below).

Homework: Using the handout and testing strips given to you by Dr. M in class, follow the directions EXACTLY as listed below.

1. Read all of page 1 and fill in the empty boxes. The answers to the questions on page 1 are below in red/blue.

What is a major property of an acid? Sour taste.
What is a major property of a base? Bitter taste, slippery feel.
What does a pH between 0 and 7 indicate? Acid (or acidity)
What does a pH between 7 and 14 indicate? Base (or alkalinity)
Blue litmus paper color when in contact with pH = 3? Red
Blue litmus paper color when in contact with pH = 9? Blue
Red litmus paper color when in contact with pH = 3? Red
Red litmus paper color when in contact with pH = 9? Blue

2. Read all of page 2 to yourself AGAIN, but especially the Safety Considerations.

3. Cut each of your test strips in HALF, so that you have 10 RED and 10 BLUE test strips.

4. Test 10 common, household substances and record your test results in the data table on page 3.

5. You DO NOT have to answer the questions on page 4, but if you want to try them then please feel free to do so. Know that we will work on them TOGETHER in class on MONDAY.

Friday, February 15th

Today in science: Unfortunately, A period science does not meet on Fridays. 😦

Homework: —

 

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