Temperature Scales: Fahrenheit, Celsius, and Kelvin

Explore the three common temperature scales, how they compare, and how to convert between them.

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QUESTION OF

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Views #: 126
Questions #: 10
Time: 18 minutes
Pass Score: 80.0%
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Water at Zero Degrees Fahrenheit

1 pts
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The Fahrenheit scale sets the freezing point of pure water at 32°F. What is the status of water at 0°F?

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Convert 77°F to Celsius

1 pts
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Using \(^\circ C = (^\circ F - 32)\cdot\frac{5}{9}\), convert 77°F to the Celsius scale.

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The One Point Where the Scales Agree

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Using \(^\circ F = (^\circ C \cdot \frac{9}{5}) + 32\), convert -40°C to the Fahrenheit scale.

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True Statements About the Celsius Scale

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Select every statement below that is true of the Celsius scale.

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Match the Scale to Its Boiling and Freezing Points

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To complete the line match
  1. Click on an item in the first group
  2. Click on an item in the second group
  3. To delete a match, double click on a line

Scale

Fahrenheit – boiling
Fahrenheit – freezing
Celsius – boiling
Celsius – freezing
Kelvin – boiling
Kelvin – freezing

Reading

212°F
32°F
100°C
0°C
373.15K
273.15K

Match each temperature scale on the left with its correct reading on the right.

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Classify Everyday Temperatures

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Examples
×32°F
×212°F
×-459°F
×72°F
Freezing Point of Water
Boiling Point of Water
Comfortable Room Temperature
Coldest Possible Temperature

Sort each Fahrenheit reading into what it represents

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Convert 500K to Celsius

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The conversion between Celsius and Kelvin only requires adding or subtracting 273.15. What is 500K on the Celsius scale?

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Fill In the Conversion Steps

2 pts
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Convert 35°C to Fahrenheit using \(^\circ F = (^\circ C \cdot \frac{9}{5}) + 32\). First, 35 · 9/5 = (1). Then, adding 32 gives (2)°F.

Please drag and drop the selected option in the right place or type it instead
63
95
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Reading the Three-Scale Comparison

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The diagram below compares the Fahrenheit, Celsius, and Kelvin scales at the freezing and boiling points of water.

°F 212 32 °C 100 0 K 373.15 273.15 Boiling point (top) and freezing point (bottom) of water

According to the diagram, what is the Kelvin reading at the freezing point of water?

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Complete the Scale Description

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Missing
The ______ scale sets its zero point at the coldest possible temperature in nature, rather than at an arbitrarily chosen reference point like the freezing point of water.
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