This map illustrates the different ages of the seafloor in the Atlantic Ocean basin.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
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Mid-ocean ridges form the largest mountain range in the world - over 80,000 km long.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
Mid-ocean ridges are underwater mountain ranges.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
Continents ride on top of drifting pieces of the ocean floor. As the ocean floor moves, the continents move.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
The Pacific Plate is the largest of the seven major plates.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
A plate boundary is where plates meet. This depicts a subduction zone, in which one plate is pushed under another. Subduction zones are also referred to as destructive zones because oceanic lithosphere is destroyed in areas where it is subducted.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
Plates can interact in three ways: move toward one another in a convergent boundary; move away from each other at divergent plate boundaries, or slide past each other at a transform fault.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
A rift valley is a crack along a mid-ocean ridge where a lot of volcanic activity occurs.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
The theory of seafloor spreading states that the seafloor is moving, causing segments to separate at mid-ocean ridges, where lava wells up from valley rifts, forming a new ocean floor.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
Subduction is the process of one plate plunging beneath another plate. Volcanoes often result.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
Rocks slide past each other at transform faults, which are characterized by shallow earthquakes, but have little volcanic activity. The San Andreas fault is an example of a transform fault.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
Alfred Wegner and other scientists found similar fossils of the same age on widely separate continents, suggesting they were once connected.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
Scientists noticed that the shape of the continents make them appear as if they could fit together, causing them to wonder if they were once connected.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
In some cases, the seafloor is moving apart at rift valleys in a process called seafloor spreading.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
Ciliates are a group of protists that possess small hairs called cilia, which propel ciliates through water.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
Most dinoflagellates possess a cell wall that look like plates of armor.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
Sarcodines, such as amoebas, use pseudopods to move and engulf food.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
As the temperature increases in this burner, particles move faster, which forces reactants to collide and react more frequently.
- Subject:
- Science
- Provider:
- Utah Education Network
- Author:
- Visual Learning Company
- Date Added:
- 02/28/2010
The blastocyst becomes embedded in the wall of the uterus in a process called "implantation." This signifies the beginning of pregnancy. Following implantation, the blastocyst further develops into a three-layered structure, the gastrula.
- Subject:
- Science
- Provider:
- Utah Education Network
- Provider Set:
- Animations and Images 2011 Collection
- Author:
- Visual Learning Company
- Date Added:
- 08/18/2011
Let's begin at day one, when the pituitary glands release two hormones-- follicle-stimulating hormone, or FSH for short, and luteinizing hormone, or LH. FSH stimulates a follicle to develop into an egg.
- Subject:
- Science
- Provider:
- Utah Education Network
- Provider Set:
- Animations and Images 2011 Collection
- Author:
- Visual Learning Company
- Date Added:
- 08/18/2011