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Biblioteka

Conductors and Insulators

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Posljednje ažuriranje about 4 years ago
48
Conductor vs Insulator
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Movement of Thermal Energy

Identify the direction of heat flow in each example by selecting the arrow that shows the heat flow.

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Comparing Objects
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Nature
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Extra Credit

Correct the misconceptions

*You can do this by rewriting the statement to make it true.

*The words typed in bold are the ones that are needed to be changed.

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Pitanje 1
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Pitanje 2
2.
Pitanje 3
3.

Go through each item and identify as a conductor or insulator

Conductor

Insulator

Copper

Cotton T-Shirt

Gold

Iron

Plastic

Rubber

Styrofoam

Wood

Pitanje 4
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Pitanje 5
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Pitanje 6
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Pitanje 7
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Pitanje 8
8.

Paper Towel

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Wool Sock

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Cotton Sock

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Plastic Wrap

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Aluminum Foil

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Pitanje 24
24.

From the best insulator to the worst insulator

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Pitanje 25
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Pitanje 27
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Pitanje 28
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Pitanje 29
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Pitanje 30
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Pitanje 31
31.

What is a heat insulator

Pitanje 32
32.

Some people say that heat transfer always occurs from “where it is to where it isn’t.” What does this really mean?

Pitanje 33
33.
Pitanje 34
34.

Which is better at slowing down the rate of heat transfer

Pitanje 35
35.
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Pitanje 37
37.

What did the wool sock slow down?

Pitanje 38
38.
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Pitanje 40
40.

Why did we include a can with no wrapping in the data set?

Pitanje 41
41.
Pitanje 42
42.

Materials that can decrease the rate of energy transfer are called insulators.

What properties might the wool sock and paper towel have in common that make them good insulators?

Pitanje 43
43.

Based on our results, which materials can be called insulators?

Click on 3

Pitanje 44
44.
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Pitanje 46
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Pitanje 47
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Pitanje 48
48.
Pitanje 9
9.

What is the temperature (in oC) of the soda wrapped in a paper towel after one hour of insulation

* (60.4 - 32) x 0.556

*Round to the nearest tenth

Pitanje 10
10.

Change in temperature in oF after one hour of insulation of the soda wrapped in a paper towel

* 60.4 - 40.0

Pitanje 11
11.

Change in temperature in oC after one hour of insulation of the soda wrapped in a paper towel

* Answer from #9 - 4.4

Pitanje 12
12.

What is the temperature (in oC) of the soda wrapped in a wool sock after one hour of insulation

* (59.6 - 32) x 0.556

*Round to the nearest tenth

Pitanje 13
13.

Change in temperature in oF after one hour of insulation of the soda wrapped in a wool sock

* 59.6 - 40.0

Pitanje 14
14.

Change in temperature in oC after one hour of insulation of the soda wrapped in a wool sock

* Answer from #12 - 4.4

Pitanje 15
15.

What is the temperature (in oC) of the soda wrapped in a cotton sock after one hour of insulation

* (63.4 - 32) x 0.556

*Round to the nearest tenth

Pitanje 16
16.

Change in temperature in oF after one hour of insulation of the soda wrapped in a cotton sock

* 63.4 - 40.0

Pitanje 17
17.

Change in temperature in oC after one hour of insulation of the soda wrapped in a cotton sock

* Answer from #15 - 4.4

Pitanje 18
18.

What is the temperature (in oC) of the soda wrapped in plastic wrap after one hour of insulation

* (62.1 - 32) x 0.556

*Round to the nearest tenth

Pitanje 19
19.

Change in temperature in oF after one hour of insulation of the soda wrapped in plastic wrap

* 62.1 - 40.0

Pitanje 20
20.

Change in temperature in oC after one hour of insulation of the soda wrapped in plastic wrap

* Answer from #18 - 4.4

Pitanje 21
21.

What is the temperature (in oC) of the soda wrapped in aluminum foil after one hour of insulation

* (61.4 - 32) x 0.556

*Round to the nearest tenth

Pitanje 22
22.

Change in temperature in oF after one hour of insulation of the soda wrapped in aluminum foil

* 61.4 - 40.0

Pitanje 23
23.

Change in temperature in oC after one hour of insulation of the soda wrapped in aluminum foil

* Answer from #21 - 4.4