We needed to paint our basement suite to get it ready for renters. Skye, Austin and Aidan stayed home to paint, while Carla & Aaron went to a 40th wedding anniversary party in Tsawwassen.
Austin and Aidan were given two different walls to sand and paint.
Time: discussion of acids, bases, and thermodynamics was about 30 minutes long
Austin divided his wall up into the sections that he could reach while
standing still (a practical choice). He noticed that this made approx.
6 sections of the wall. When he did this he noticed that he had
completed 3 of the 6 sections and said that he was 1/2 done that task.
He then estimated that he had 15 more minutes to go as it had taken
him 5 minutes to complete the last section.
Corrosion:
standing still (a practical choice). He noticed that this made approx.
6 sections of the wall. When he did this he noticed that he had
completed 3 of the 6 sections and said that he was 1/2 done that task.
He then estimated that he had 15 more minutes to go as it had taken
him 5 minutes to complete the last section.
Corrosion:
We were working with TSP to clean the walls before painting. I had
cautioned the boys to wear protective gloves when they were washing
with the TSP solution because it is corrosive. Austin asked what
corrosive meant, so we dove into this page to learn more about it:
http://en.wikipedia.org/wiki/Causticity
This introduced Austin to concepts of acids and bases. We talked about
some of the acids and bases we have around the house:
cautioned the boys to wear protective gloves when they were washing
with the TSP solution because it is corrosive. Austin asked what
corrosive meant, so we dove into this page to learn more about it:
http://en.wikipedia.org/wiki/
This introduced Austin to concepts of acids and bases. We talked about
some of the acids and bases we have around the house:
Acid:
citric acid in fruits
citric acid in fruits
Base:
Soaps (dish, hand and TSP)
We touched on the fact that both of these will "burn" your skin and
some can generate heat. This introduced the word exothermic which
Austin correctly parsed to mean "outside heat" which I clarified was a
process that gave off heat (like burning wood). We then talked about
the opposite of exothermic which is endothermic. An example of an
endothermic process is evaporation (which is why our bodies perspire
to cool us down).
These are topics we'll certainly explore more in the future but it was
a good intro for now.
Time: painting exercise was about 30 minutes of discussion and 2.5
hours of activity
Soaps (dish, hand and TSP)
We touched on the fact that both of these will "burn" your skin and
some can generate heat. This introduced the word exothermic which
Austin correctly parsed to mean "outside heat" which I clarified was a
process that gave off heat (like burning wood). We then talked about
the opposite of exothermic which is endothermic. An example of an
endothermic process is evaporation (which is why our bodies perspire
to cool us down).
These are topics we'll certainly explore more in the future but it was
a good intro for now.
Time: painting exercise was about 30 minutes of discussion and 2.5
hours of activity
Time: discussion of acids, bases, and thermodynamics was about 30 minutes long
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