Absolute Zero

What do you mean by "absolute zero"?

• The coldest possible temperature.

• The hottest possible temperature.

• The mean or average of the hottest possible temperatures in the world.

• The mean or average between hottest and coldest possible temperature in the world.

Tags

NGSS.HS-PS3-4

What happens when molecules reach absolute zero?

• The molecules move and stop alternately.

• The molecules stop moving.

• The molecules start moving.

• The molecules continue to move.

Did the scientist reach absolute zero?

• Yes, they did.

• No, not yet.

Scientists haven't stopped trying to reach an absolute zero.

• True

• False

Which of the following would be true if something was at absolute zero?

• The molecules that make up a sample would be moving very slowly.

• The molecules that make up a sample would be moving very fast.

• The molecules that make up a sample wouldn’t be moving.

Why might it be impossible to reach absolute zero?

• Because there is always some molecular movement

• Because it is too far away

• Because it is too expensive

Tags

NGSS.HS-PS3-2

What is the temperature of absolute zero in Celsius?

Why is absolute zero unreachable?

• It takes an amount of work to drop a temperature, and to reach absolute zero it will require a infinite amount of work.

• Because absolute zero is an infinitely unreachable limit regarding to its state of matter.

What happens at absolute zero?

• All Motions cease

• everything turns to a solid

• everything dies

• who knows?

Absolute zero is ___________ because it would require an________ amount of work

• Unreachable, Infinite

• Unknown, Infinite

• Unknown, Serious