What are melting points and boiling points?

In this lesson, we will learn about how scientists measure temperature, two major 'fixed points' of a substance (melting and boiling point) and how we can determine the state of matter of a substance at a particular temperature when given these fixed points.

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which change of state occurs when a solid becomes a liquid?

1/5

Q2.Which state changes occurs when a gas becomes a liquid?

2/5

Q3.When a solid is cooled the particles...

3/5

Q4.When a liquid boils the particles...

4/5

Q5.When gases condense the particles...

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which change of state occurs when a solid becomes a liquid?

1/5

Q2.Which state changes occurs when a gas becomes a liquid?

2/5

Q3.When a solid is cooled the particles...

3/5

Q4.When a liquid boils the particles...

4/5

Q5.When gases condense the particles...

5/5

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

What are melting points and boiling points?

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Under standard conditions a substance will always melt at the same temperature. True or False?

1/5

Q2.Particles in a liquid...

2/5

Q3.Particles in a solid...

3/5

Q4.If the temperature is below a substances melting point it is...

4/5

Q5.If the temperature is above a substances boiling point it is...

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

What are melting points and boiling points?

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Under standard conditions a substance will always melt at the same temperature. True or False?

1/5

Q2.Particles in a liquid...

2/5

Q3.Particles in a solid...

3/5

Q4.If the temperature is below a substances melting point it is...

4/5

Q5.If the temperature is above a substances boiling point it is...

5/5

Lesson summary: What are melting points and boiling points?

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