Restless Earth UNIT 1: Dynamic Planet How and why do earth tectonic plates move?
Restless Earth!! On the white board draw images of what you think this involves!
By the end of the lesson All pupils will understand how the earth has survived for so long All pupils have knowledge of the earths interior and how it works Most pupils can answer an exam question
Home learning How are humans damaging the 4 Spheres? Explain at least two ways we are causing damage to each of the spheres. E.G. Humans are damaging the atmosphere by releasing large amounts of carbon dioxide into the air. This coming from cars, ………………….
How has the Earth survived after 4.6 Billion years?
What are these four spheres? The Atmosphere
The Geosphere
The B_ _sphere
The H _____________??
So how would you describe each sphere? The atmosphere is a layer of gases that make up the air around us; whereas the Hydrosphere is ........................................ This then leaves the ................................. and ..................................... The ...........................
Concept map Geosphere Biosphere Atmosphere Hydrosphere
Which is the most important Sphere? Rank the Spheres in order of importance Explain to another pair your reasons Now stand under the the one you think is the most important.
The Winner is ............................. Can you use your concept map to explain to the person sitting next to you
Extension One of the reasons why the Biosphere is the most important out of the four sphere is due it;s links with the other three spheres. Firstly; Secondly; Finally;
The sphere that can be the most restless is the ...........
In order to understand this we need to understand the ingredients 0f the earth
What extra information d0 you need to include? Complete you own diagram. Stick the labels in the correct part of the diagram Use pages 8 – 11 to add extra notes
So, what really causes the geosphere to be restless and cause this to happen?
Convectional currents Any idea what they are and how they work?
Why do the plates move?
Can you explain how it works by annotating a diagram?
The earths structure and convectional currents have lead to this ……..
Continental drift
And now this!! Label your map and arrow the arrows (page 13)
Review You are going to test someone about what they have learnt today. Think of 4 to 5 questions you will ask them. (make sure you know the answers yourself). Now ask at least 2 people your questions
Complete the following answers: What plate is the UK on? Name a country which is split by two plates. Name two plates that are moving apart. Name two plates that are colliding. EXAM QUESTION Explain how tectonic plates move (4 marks)