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6.2 Thermal Energy Lessons 4 & 5 Assessment

6.2 Thermal Energy Lessons 4 & 5 Assessment

Assessment

Flashcard

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Practice Problem

Easy

Created by

Catherine Richardson

Used 2+ times

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10 questions

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1.

FLASHCARD QUESTION

Front

How do particles in a gas differ from those in a liquid?

Back

Gas particles have a lot of space between them, while liquid particles do not.

2.

FLASHCARD QUESTION

Front

What happens to water over time in an open cup?

Back

It evaporates.

3.

FLASHCARD QUESTION

Front

Why is measuring mass important in experiments involving matter loss?

Back

It helps to show how much matter left the system.

4.

FLASHCARD QUESTION

Front

What is one reason a cup with a lid cools down slower than a cup without a lid?

Back

The lid slows down the loss of heat and matter.

5.

FLASHCARD QUESTION

Front

Evaporation

Back

When a liquid turns into a gas

6.

FLASHCARD QUESTION

Front

Where do the water droplets on the outside of a cold cup come from?

Back

From the air outside the cup

7.

FLASHCARD QUESTION

Front

Why doesn’t the mass of a closed system change?

Back

Matter does not enter or leave a closed system.

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