LESSON 14.2 What are plate tectonics?
LEARNING INTENTION By the end of this lesson, you should be able to:
• define the key terms associated with plate tectonics • understand the reasons why continental plates move • explain how tectonics shape places.
Tune in Examine FIGURE1 . The continents used to be joined together in one landmass called Pangaea. Over time they moved and spread out into the formation that exists today.
FIGURE1 Movement of the continents
(a)
(b)
PERMIAN 225 million years ago
TRIASSIC 200 million years ago
(d)
(c)
JURASSIC 150 million years ago
CRETACEOUS 65 million years ago
(e)
PRESENT DAY
In pairs, mind-map and explain: • why you think the continents move • what evidence there might be to support this theory. Make a list of three to four questions that you want answered after looking at these images. See if you can answer them by the end of the topic.
360 Jacaranda Humanities Alive 8 Victorian Curriculum Third Edition
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