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.

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!

Question 1

Question 2

Question 3

Question 4

Question 5

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

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!

Question 1

Question 2

Question 3

Question 4

Question 5

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

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

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.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.A substance will always melt at the same temperature.

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

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.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.A substance will always melt at the same temperature.

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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