Exploring Absolute Zero
A Grade 9 science worksheet exploring the concept of absolute zero, its definition, and its implications in thermodynamics.
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Exploring Absolute Zero
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. What is the approximate value of absolute zero in degrees Celsius?
0°C
100°C
-273.15°C
-459.67°C
2. At absolute zero, what is the state of molecular motion?
Maximum kinetic energy
No kinetic energy
Increased vibration
Random molecular collisions
3. Absolute zero is the theoretical point at which all motion ceases.
4. The Kelvin scale is an absolute thermodynamic temperature scale where 0 Kelvin is equal to .
5. It is physically possible to reach absolute zero.
True
False
6. The Celsius and Kelvin scales have the same size degree increments.
True
False
7. Explain why absolute zero is considered the lowest possible temperature.
8. Convert 25°C to Kelvin. Show your work.
9. Observe the thermometer below. If the temperature were to drop towards absolute zero, what would happen to the molecules within the thermometer's liquid?
