What are the two plates boundaries?
How can two plates move relative to each other? Divergent plate boundaries: the two plates move away from each other. Convergent plate boundaries: the two plates move towards each other. Transform plate boundaries: the two plates slip past each other.
What does plate boundary mean for kids?
Plate Movements As the plates move, they interact at their boundaries in different ways. When they do, the melted rock beneath the plates rises up. This melted rock, or magma, cools as it rises and forms new crust. Earthquakes and volcanoes often happen along plate boundaries.
What are 2 examples of divergent boundaries?
Examples
- Mid-Atlantic Ridge.
- Red Sea Rift.
- Baikal Rift Zone.
- East African Rift.
- East Pacific Rise.
- Gakkel Ridge.
- Galapagos Rise.
- Explorer Ridge.
What are the boundary types?
There are three main types of plate boundaries:
- Convergent boundaries: where two plates are colliding. Subduction zones occur when one or both of the tectonic plates are composed of oceanic crust.
- Divergent boundaries – where two plates are moving apart.
- Transform boundaries – where plates slide passed each other.
What are examples of transform plate boundaries?
The most famous example of this is the San Andreas Fault Zone of western North America. The San Andreas connects a divergent boundary in the Gulf of California with the Cascadia subduction zone. Another example of a transform boundary on land is the Alpine Fault of New Zealand.
What is an example of a convergent plate boundary?
The Pacific Ring of Fire is an example of a convergent plate boundary. At convergent plate boundaries, oceanic crust is often forced down into the mantle where it begins to melt. Magma rises into and through the other plate, solidifying into granite, the rock that makes up the continents.
What are 3 plate boundaries?
Movement in narrow zones along plate boundaries causes most earthquakes. Most seismic activity occurs at three types of plate boundaries—divergent, convergent, and transform. As the plates move past each other, they sometimes get caught and pressure builds up.
What are the 4 different plate boundaries?
It is at these locations where earthquakes, volcanoes and fold mountain form. There are four main types of plate boundary. These are constructive, destructive, conservative and collision margins.
What are the tectonic plates for kids?
Definition of Tectonic Plates for Kids. The theory of plate tectonics is a part of geology, which is the study of the earth and how it changes. Developed in the 1960s and 1970s, this theory states that the earth’s outer crust is made up of plates of rock that shift all over the globe.
What are the 7 major tectonic plates?
North American Plate. This plate is extended from the North Pole to the Siberia.
What often occurs at tectonic plate boundaries?
Plate tectonics is the movement of the Earth’s crust through convection currents that occur in the mantle. Divergent plate boundaries occur where hot magma rises to the surface, pushing the plates apart. The mid-ocean ridges form at divergent plate boundaries.
What are the different types of plate tectonic boundaries?
There are three main types of tectonic plate boundaries, described in terms of the way that tectonic plates move relative to each other. These include transform boundaries, where plates grind parallel to each other, divergent boundaries, where plates are moving apart, and convergent boundaries, where plates press into and sometimes under each other.