How many tectonic plates are there?
Over twenty
Tectonic plates are always ... and ... into each other.
moving and bumping into each other
How do we call the edges of the tectonic plates?
Plate boundaries
What are plate boundaries?
The edges of the Earth’s tectonic plates.
What can plate boundaries do when they are near each other?
They stuck, but the rest of the plate keeps moving. When the force is too much, it breaks free causing an earthquake.
What is a fault?
A gap between plates.
Which device records earthquakes?
A seismograph
Where do most of the world’s earthquakes occur?
Within faults / In areas where the plate boundaries meet.
Which layer of the Earth do the tectonic plates make up?
The crust
Which part of the seismograph moves?
The case
