The document summarizes an experiment to determine the best insulating material. The experiment tested silver foil, newspaper, a woolen sock, and plastic wrapping paper wrapped around identical glass bottles filled with hot water. Temperatures were recorded over 20 minutes. The woolen sock proved to be the best insulator, maintaining heat the longest, while silver foil was the worst insulator, contrary to the initial hypothesis. The experiment demonstrated that different materials insulate heat differently.
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Sasha what makes the best insulating material
1. What Makes The Best
Insulating Material?
WRITTEN AND CREATED BY
SASHA CHUA 5R
2. Table Of Contents
Purpose p.1
Hypothesis p.2
Materials I used p.3
Procedure p.4
Observation p.5
Conclusions p.6
Big Idea p.7
Pictures from the experiment p.8 (Since I can’t fit all
the pictures in several slides)
3. Purpose
The purpose of this experiment is to see which
material is the warmest and which material is least
warm. And which gives the best insolation. And which
material can keep the heat in the bottle the longest.
4. Hypothesis
I think the silver foil will maintain the heat for the longest. Because
it is a metallic material. And I always see my helper using silver foil
to cover up the hot food. The heat evaporates and the silver foil will
keep the heat. Last, I think the newspaper because it is quite thin.
5. Materials I used
4 glass bottles
A piece of aluminum foil
A piece of plastic wrapping paper
One newspaper
One woolen sock
One digital thermometer
A measuring cup
6. Procedure
Step 1: Place all items in ‘’Materials I used’’ on a table.
Step 2:Wrap the silver foil, plastic wrapping paper,
newspaper , woolen sock on each identical glass
bottles.
As you can see in the picture, I already
wrapped all the materials around
the bottles.
7. Procedure
Step 3:Pour 200 ml of hot water in the measuring cup,
then pour all of it in the glass wrapped by silver foil.
Step 4: Dip the tip of the thermometer in the cup
immediately then write down the temperature. Repeat
step 3 and step 4 for the other glasses. Record each
temperature.
8. Procedure
Step 5:Record the all temperatures again after 5
minutes.
Step 6: Record all temperatures again after 10 minutes
Step 7:Record all temperatures again after 20 minutes
Step 8: Note down all temperatures notes and then
draw a chart to compare the temperatures.
9. Observation
Materials At the start 5 minutes 10 minutes 20 minutes
30 or
Silver Foil 45 C 38.3C 35.9C below
Newspaper 45 C 40.6C 37.6C 32.7C
Woolen Sock 45 C 40C 37.4C 33.6C
Plastic 45 C 40.7C 37.6C 32.7C
10. Observation
Compare Start 5 mins 10 mins 20 mins
Silver Foil Same -6.7 -9.1 30 or below
Newspaper Same -4.4 -7.4 -12.3
Woolen
Sock Same -5 -7.6 -11.4
Plastic Same -4.3 -7.4 -12.3
11. Conclusions
In the experiment, by looking at this chart I found out
that my hypothesis was wrong. Woolen sock was the
best insulator not the silver foil. I didn’t think wool
would keep the heat the longest because it has holes.
And what astonished me that was last was the silver
foil.
12. Big Idea
I have learned that different materials hold heat at a
different amount of time. I have also learned that you
must use the right material for a certain heat, hot or
cold.