Act it Out!
Act it out: formation of mountains like the Himalayas.
Two continental plates, arrows pointing towards each other for convergent boundary.
Convergent boundaries are where two continental plates are being pushed together. Name two mountain ranges that are being formed by convergent plate boundaries.
What are the Alps, Himalayas, and/or Appalachians?
Most islands are small and cover less than half a hectare. These tiny islands are known as _____.
What are islets?
Most mountains on the continental crust are formed at this type of plate boundary.
What is convergent?
When rifts are found on the bottom of the ocean, it means they were formed by this process.
What is seafloor spreading?
Act it out: seafloor spreading.
Two oceanic plates diverging, so arrows going away from each other.
Iceland is in the middle of the Atlantic Ocean between the North American and Eurasian plates. This is the type of plate boundary that Iceland sits on.
What is a divergent boundary?
The islands of New Zealand are considered continental islands since they sit on a microcontinent that has broken off Australia. The name of the microcontinent that New Zealand sits on is ____.
What is Zealandia?
Name one physical feature of a mountain.
What is peak, ridge, slope, face, arete, etc.?
In the northern Mid-Atlantic Ridge, the North American plate and the Eurasian plate are splitting apart at a rate of about this many centimeters per year.
Act it out: subduction zone.
Denser oceanic plate going under a continental plate or less-dense oceanic plate. Arrows pointing towards each other.
This is the name of the boundary between oceanic crust and continental crust that fall on the same plate.
What is a passive boundary?
The newest Hawaiian Island Loihi, sits on the Hawaiian hotspot, but is still below the ocean surface. Loihi is called this name while it is still below the surface.
What is a seamount?
This is the percentage of Earth's surface covered by mountains.
What is 20%?
True or false: Most active rift valleys are found on the continental lithosphere.
What is false?
Act it out: plate movement in the northern Mid-Atlantic Ridge.
2 plates diverging, so arrows pointing away from each other.
A continental rift zone leads to this feature.
What is a mid-ocean ridge?
The island nation of Japan is one of the most volcanic islands in the world because it sits along four tectonic plates. Name one continental and one oceanic plate that help form Japan.
What is North American or Eurasian, and Pacific or Philippine?
Geologists typically classify mountains as landforms that rise ____ number of feet above sea level.
What is 1,000 feet?
Millions of years ago, the Arabian Peninsula and Africa were connected. The Arabian and African plates eventually rifted apart due to seafloor spreading. The Indian Ocean flooded the rift valley between the continents, creating this sea.
What is the Red Sea?
Act it out: The type of boundary where offset rivers can occur.
Transform boundary- so 2 plates with arrows "sliding" by each other.
Trenches are formed at converging boundaries but with the trenches come islands. Name two Island chains that are located near trenches
What are Japan, the Aleutian Islands, and/or the Mariana Islands?
There are six common types of islands. Name four of the six island types to earn the money for this question.
What is continental, barrier, tidal, coral, oceanic/volcanic, and/or artificial.
These are the three types of mountains.
What are fold, fault-block, and volcanic?
Where is the largest and deepest discovered rift valley located?
Where is Mars?