BasicStudents matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient)Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
AdvancedStudents matched to this level are ready for material that requires superior performance and mastery.
Hydrothermal vents are found at spreading ridges where cold seawater comes into contact with hot magma. The vents have amazing mineral chimneys and strange life forms that are dependent on chemosynthesis for nutrients.