How can we measure and predict earthquakes?

This lesson will look at how we can measure and predict earthquakes to help save lives.

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.

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.Volcano tourism is a...

Positive impact. Negative impact.

1/5

Q2.Loss of life from an eruption is a...

Positive impact. Negative impact.

2/5

Q3.Agriculture (farming) is a positive impact of a volcano because...

It provides jobs and money for local people. The crops get damaged when they get covered in ash. Less food is grown.

3/5

Q4.Volcanic ash clouds can be a negative impact of volcanoes because they...

Can cause breathing problems. Provide fertile soils. Attract tourism.

4/5

Q5.It has become safer for people to live close to volcanoes because...

They are erupting less frequently. They are monitored and can be predicted. People have become immune to volcanic eruptions.

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.

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.Volcano tourism is a...

Positive impact. Negative impact.

1/5

Q2.Loss of life from an eruption is a...

Positive impact. Negative impact.

2/5

Q3.Agriculture (farming) is a positive impact of a volcano because...

It provides jobs and money for local people. The crops get damaged when they get covered in ash. Less food is grown.

3/5

Q4.Volcanic ash clouds can be a negative impact of volcanoes because they...

Can cause breathing problems. Provide fertile soils. Attract tourism.

4/5

Q5.It has become safer for people to live close to volcanoes because...

They are erupting less frequently. They are monitored and can be predicted. People have become immune to volcanic eruptions.

5/5

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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.

Quiz:

How can we measure and predict earthquakes?

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.An earthquake is...

An opening in the Earth's crust where lava, ash and gases erupt. Breaks or fractures in the Earth's crust. Where two plates meet. A sudden or violent movement in the Earth's crust.

1/5

Q2.The focus of an earthquake is...

The point on the Earth's surface directly above the focus. The source of the earthquake beneath the Earth's surface. Fast waves of energy generated at the focus of the earthquake. Breaks or fractures in the Earth's crust.

2/5

Q3.The Richter scale...

Is logarithmic, meaning that each number is ten times more powerful than the last. Is measured on a scale of 1 to 12. Is the instrument that detects movement in the Earth's crust. Measures how people feel and react to earthquakes, and the damage it causes.

3/5

Q4.The Mercalli scale...

Is the instrument that detects movement in the Earth's crust. Measures how people feel and react to earthquakes, and the damage it causes. Is measured on a scale of 1 to 10. Is logarithmic, meaning that each number is ten times more powerful than the last.

4/5

Q5.Warning signs for an earthquake are unreliable, but scientists do try! Which of the following is not a warning sign of an earthquake?

Increase in radon gas levels. Increase in temperature of nearby water. Change in the behaviour of animals. Irregular tremors or seismic waves.

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.

Quiz:

How can we measure and predict earthquakes?

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.An earthquake is...

An opening in the Earth's crust where lava, ash and gases erupt. Breaks or fractures in the Earth's crust. Where two plates meet. A sudden or violent movement in the Earth's crust.

1/5

Q2.The focus of an earthquake is...

2/5

Q3.The Richter scale...

3/5

Q4.The Mercalli scale...

4/5

Q5.Warning signs for an earthquake are unreliable, but scientists do try! Which of the following is not a warning sign of an earthquake?

Increase in radon gas levels. Increase in temperature of nearby water. Change in the behaviour of animals. Irregular tremors or seismic waves.

5/5

Lesson summary: How can we measure and predict earthquakes?

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The next lesson in Tectonics is "How can we prepare and protect against the impact of earthquakes?"

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