What is the earth made of?
In this lesson, we are going to be learning about the structure of the earth, what the earth is made of and where volcanoes and earthquakes occur and why.
What is the earth made of?
In this lesson, we are going to be learning about the structure of the earth, what the earth is made of and where volcanoes and earthquakes occur and why.
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Lesson details
Key learning points
- Examine the structure of the earth and what the earth is made of
- Explore where volcanoes and earthquakes occur and why
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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6 Questions
Q1.
How many layers is the earth made up of?
1
2
3
Q2.
Which two metals are the main components of the Earth’s inner and outer core?
aluminium and copper
iron and aluminium
nickel and aluminium
Q3.
What is the approximate temperature of Earth's inner core?
3,000°C
4,400°C
Q4.
What is the approximate temperature of Earth's outer core?
3,000°C
6,100°C
Q5.
What is the approximate temperature of Earth's mantle?
4,400°C
6,100°C
Q6.
Why do volcanoes and earthquakes occur along tectonic plate lines?
Tectonic plates crash into each other at high speeds and this leads to violent earthquakes and volcanic eruptions.