Absolute Zero

Absolute Zero

Assessment

Flashcard

Science

6th Grade

Practice Problem

Easy

Created by

Wayground Content

Used 6+ times

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15 questions

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1.

FLASHCARD QUESTION

Front

What is absolute zero?

Back

Absolute zero is the lowest possible temperature, where molecular motion stops, defined as 0 Kelvin or -273.15°C.

2.

FLASHCARD QUESTION

Front

What happens to molecular movement as temperature decreases?

Back

As temperature decreases, the molecules move at slower speeds.

3.

FLASHCARD QUESTION

Front

What is the temperature of absolute zero in Kelvin?

Back

0 Kelvin.

4.

FLASHCARD QUESTION

Front

Why can't we reach absolute zero?

Back

It is impossible to reach absolute zero because there is always some molecular movement.

5.

FLASHCARD QUESTION

Front

What does temperature measure in a substance?

Back

Temperature measures the average speed of the molecules in a substance.

6.

FLASHCARD QUESTION

Front

What is the coldest recorded temperature on Earth?

Back

The coldest recorded temperature on Earth was in Antarctica.

7.

FLASHCARD QUESTION

Front

What happens to the energy of molecules as temperature approaches absolute zero?

Back

The energy of the molecules decreases as temperature approaches absolute zero.

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