What does thermal equilibrium mean?

When two objects in contact reach the same temperature, so there is no net heat flow between them.

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What is the unit for the absolute scale of temperature?

Absolute temperatures are measured in kelvin (K).

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How can you convert from degrees Celsius to kelvin?

temperature in Kelvin = temperature in degrees celcius + 273.15

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Which temperature scale does not have negative values?

The kelvin (K) scale does not have negative values as it starts from absolute zero.

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What happens to the Kinetic energy of particles as they cool down?

The kinetic energy decreases.

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What is the kinetic energy of particles at absolute zero?

The kinetic energy of particles is zero.

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How does cooling down affect the motion of particles?

Cooling down causes the motion of particles to decrease.

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What is absolute zero in °C?

-273.15 °C

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