Understanding Absolute Flashcards Zero

Front

Where have the coldest temperatures on Earth been recorded? Options: Antarctica, Arctic, Siberia, Greenland

Back

Antarctica

Front

What is the coldest outdoor temperature ever recorded on Earth?

Back

-94°C

Front

In space, scientists have measured temperatures as low as ____. Options: -18°C, -94°C, -270°C, -273.15°C.

Back

-270°C

Front

What is absolute zero?

Back

The temperature at which there is absolutely zero molecular movement

Front

What happens to molecules at absolute zero?

Back

They stop moving entirely

Front

What is the temperature of absolute zero?

Back

-273.15°C

Front

How is temperature related to the movement of molecules? Options: Faster molecules mean lower temperature, Faster molecules mean higher temperature, Slower molecules mean higher temperature, Molecule movement does not affect temperature.

Back

Faster molecules mean higher temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

Is there a limit to how cold things can get?

Back

Yes

Front

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

Back

Zero

Front

Have scientists succeeded in demonstrating absolute zero?

Back

No