Thermal Energy
Insulators CER
Collect Data
Homework
Zero Waste this week: �- Continue to collect trash�- Look at the “Data & Reflections” section. Read the article. Look over the data.�- Start to write a “Reflection” - Go over Zero Waste Challenge on Canvas
Do NOT work on Popcorn CER.
You will get class time to work on the Popcorn CER this week in class.
Today’s Lesson
In today’s lesson we’re going to explore how well different insulators work.
An insulator is a substance that is poor at conducting heat.
Mindful Minute
Plant your feet on the ground. Let any stress in your body leave through the soles of your feet.
TOC
Insulators CER* & graph | 32 | 33 |
* Print out from Canvas after graded. This will be in a couple of weeks.
**Reading (handout)
Insulators CER & Graph - P. 33
Choices of substances: cork, wool, cotton, aluminum, newspaper + air (control)
*Note to teacher: 50 oC for hot water.
Absent? CER handout
NOTE: Not in class on Friday? Look at the Popcorn CER on Canvas and make sure you have your class data. You will write your Popcorn CER in class later this week after you finish the Insulators CER. Sorry about the order being weird.
Cleaning up
1. Turn the timer to zero. “Reset.” It will go off by itself when it is as zero. Put timer on tray.
2. Take thermometers out and put on tray.
3. Everyone takes their own little glass container out. Take little glass containers out and dump water in sink.
4. Put the glass container back in the tub. Put the tubs back on the tray.
Changes in temp on Table 1
Have everyone calculate their column.
Share with group. Double-check each other’s work
Recorders and Reporters enter your group’s data
Class Data
This will be uploaded to Canvas. You can copy and paste the table into your “Data” section.
You will need to calculate the averages for all of these substances. We will do this in class. This is NOT homework.