المادة وتركيبها: درجة الانصهار والتصعيد

المادة وتركيبها: درجة الانصهار والتصعيد

Assessment

Interactive Video

English, Other

1st - 9th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains the concepts of fusion and vaporization. It describes the latent heat required to change a substance from solid to liquid (fusion) and from liquid to gas (vaporization) without changing temperature. The tutorial also covers molecular changes during these processes, such as the behavior of water molecules in ice and during boiling.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the heat required to change a substance from solid to liquid without changing its temperature?

Specific heat capacity

Heat of reaction

Latent heat of fusion

Thermal conductivity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During the melting of ice, what happens to the temperature?

It increases gradually

It decreases

It remains constant at 0°C

It fluctuates

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the molecules of water when it is heated to its boiling point?

They form a solid

They slow down

They move more freely and turn into gas

They remain in liquid form

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the boiling point of water in Celsius?

0°C

50°C

150°C

100°C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the heat required to change a substance from liquid to gas without changing its temperature?

Latent heat of vaporization

Latent heat of fusion

Thermal expansion

Specific heat capacity