6G_Chapter 4_Earth’s Dynamic Surface_Lesson 1.pdf

Earth's Dynamic Surface

1. Earth’s
Dynamic
Surface
Chapter 4

2. Can you
break
down a
mountain?

5. Earth’s Moving
Surface
Lesson 1

9. Plate Tectonics
These pieces (tectonic
plates) move slowly over
the Earth’s surface.
Their motion forms
volcanoes and mountains
and causes earthquakes.
Theory that states that Earth’s
surface is broken into large, rigid
pieces that move with respect to
each other,

10. What is a
tectonic plate?

12. Major Tectonic Plates

17. Plates Boundaries
As plates move relatively with each other,
they form different types of boundaries.

18. 1) Divergent Boundaries

20. 2) Convergent Boundaries

21. Map of the modern Himalayan Mountains in Asia. These mountains formed when the Indian subcontinent collided with Asia.

22. Subduction:
Process that
occurs when
one tectonic
plate moves
under another
tectonic plate.

24. 3) Transform Boundaries

26. Measuring Plate Movement
01.
02.
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27. Measuring Plate Movement
GPS receivers can measure the movement
of Earth’s landmasses very precisely.

29. Why do Tectonic plates move?
Convection:
The circulation
within fluids
caused by
differences in
density and
thermal energy.

30. ​

33. Thank
you very
much!