Absolute Zero

Absolute zero is impossible.

• True

• False

• Yes Definitely

• Pfft No way

Tags

NGSS.HS-PS3-4

What is the temperature of absolute zero?

• -18°C

• -94°C

• -270°C

• -273.15°C

What is the temperature at which there is absolutely zero molecular movement?

• -18°C

• -94°C

• -270°C

• -273.15°C

What is absolute zero?

• The temperature at which water freezes

• The temperature at which there is absolutely zero molecular movement

• The temperature inside a freezer

• The temperature at which ice melts.

Tags

NGSS.HS-PS3-4

What happens to molecules at absolute zero?

• They move faster

• They stop moving entirely

• They change color

• They expand.

What is the average speed of molecules in a sample at absolute zero?

• Fast

• Slow

• Zero

• Moderate

In space, scientists have measured temperatures as low as ____.

• -18°C

• -94°C

• -270°C

• -273.15°C

Absolute zero is the lowest possible temperature where nothing could be colder and no heat energy remains in a substance. Which of the following statements is true about absolute zero?

• It is the point where water freezes.

• It is the point where molecular motion ceases.

• It is the average temperature of the universe.

• It is the temperature at which metals melt.

Tags

NGSS.HS-PS3-2

Which of the following temperatures is closest to absolute zero?

• 0 Kelvin

• 0°C

• -273.15°C

• -100°F

Absolute zero is theoretically the lowest temperature possible. What is the significance of this temperature in thermodynamics?

• It is the point where entropy reaches its maximum.

• It is the point where entropy reaches its minimum.

• It is the point where energy is at its maximum.

• It is the point where energy is at its minimum.