Mr. Rick's Science Pages
atmosphere
bacteria
biology
birds
cells
chemistry
earth science
ecology
education
e-mail
evolution
fungi
genetics
hydrosphere
invertebrates
mammals
OHHS
paleontology
physics
plants
physical science
references
science
technology
vertebrates
Volcano Image Bank
Types of Volcano
Shield vs. Composite Volcano
History of Cascade Eruptions
Mt. St. Helen's cross section
St. Pierre
Long Valley Caldera cross section
Another Long Valley Caldera cross-section
Long Valley Caldera ash fall
(350 mi
2
were 500 ft deep!)
Sunset Crater Cinder Cone
Merriam Cinder Cone