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Welcome to Miss Regan's Wikispace!
Here, you will find resources for Regents Living Environment, Regents Chemistry, and AP Chemistry.
Click on the
Regents Living Environment
pages on the left to access information on these courses.
Students, if you have questions about class material or homework, please come see before or after school, or during my free periods:
2, 4, 8 ABCEF and 6.
Parents, if you have any questions or concerns, please e-mail me at
and I will respond as quickly as possible.
Keep your eyes on the ball!
A Pacific Treefrog: the source of the classic "ribbit" we associate with frogs.
A closer look at salt: from salt flats to micrographs.
An animal cell under the microscope.
Plant cells under the microscope. The green areas are the chloroplasts - the site of photosynthesis.
A dragonfly drying its wings alongside a stream.
A baby orangutan. Because of habitat loss, the orangutan, which means "man of the forest" in Malay, is an endangered species.
The power of water, a polar molecule.
If you look closely at the snow, you'll notice that it's pink! At higher elevations, a red algae called Chlamydomonas nivalis can live on the surface of the snow. This is called "watermelon snow" because of the pink color and the scent of watermelon released by the algae when you walk over the snow! This picture was taken in Lassen Volcanic National Park, CA.
This picture, also taken in Lassen Volcanic National Park, shows steaming streams of hot sulfurous acid (H2SO3) and sulfuric acid (H2SO4) cutting through the landscape. Boiling mudpots and the smell of rotting eggs (from hydrogen sulfide - H2S) give clues as to the volcanic activity below the surface.
A view of the Painted Sand Dunes from the top of a cinder cone volcano in Lassen Volcanic NP. The red colors are due to the oxidation of the iron in the rocks - a process that forms iron oxide - what we normally call "rust". The small size and number of flowering plants and evergreen trees show the slow process of ecological succession in such a harsh, dry environment. The haze in the picture is from the particulates released into the atmosphere from forest fires in the area.
The base of this Giant Sequoia tree has been used as a dance floor since it was cut down in the early 1900s. Most of the matter that made up this tree originally came from the carbon dioxide the plant fixed into glucose during photosynthesis.
A deciduous forest is carpeted with a layer of bluebells for only a short time in early May near Geneseo, NY.
The air at the base of Burney Falls is about 20 degrees cooler than the air 100 feet above it because the evaporating water absorbs heat from the surrounding air, cooling it.
Satellite imagery of the Earth at night, showing areas where electricity is used the most. Coal is burned to supply energy for much of the electricity we use. This releases carbon dioxide gas into the air, contributing to climate change.
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