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Alternative "clean" energy sources

wind farms, solar panels, biomass, and geothermal

the orange and yellow sunsets we see are caused by

the sun's light passing through a greater thickness of atmosphere and scattering

the sky looks blue during the day because

molecules of white light are scattered and we see blue

renewable resource

resources that can easily be replaced like trees and geothermal energy

natural and nonrenewable resources

minerals, coal, oil, and natural gas

ozone depletion

severe sun burns, skin cancer, death of plankton, eye problems

global warming

more hurricanes, drought, immune system problems


a richness of the of the different kinds of living things in an area

What is ozone depletion and what causes it? Can this be stopped or reversed? How?

Ozone depletion is the thining of the Ozone layer. The CFC in spray cans, air conditoners, and electrical cleaners cause Ozone depletion. It can be stopped by stopping the use of CFC.

Wilson "snowflake" Bentley

the Vermont farmer who photographed hundreds of snowflakes in the early 1900's

wind is caused by

unequal heating of the earth's surface. The warm air then rises, and the cold air rushes is to take the warm airs place.


transfer of heat through a fluid


liquid water falling as rain, sleet, hail, or snow


the process by which molecules of water vapor in the air become liquid water


direct transfer of heat by touching


the process by which liquid water escapes into the air as water vapor


direct transfer of heat through open space

global winds and areas of no wind

polar esterlies, prevailing westerlies, trade winds, hores latitudes, and doldrums


cumulus, cirrus, and stratus

phases of the cell cycle

interphase, (beginning) prophase, metaphase, anaphase, telophase, (mitosis) and cytokinesis (end)

formula for photosynthesis

carbon dioxide+water [light energy, chloraphyll] = glucose+oxygen

3 ways to prevent cancer

don't smoke, eat healthy food, and wear sun screen when in the sun

4 ways to treat cancer

radiation, surgery,chemtherapy, and gold nanodots



parts of chromosome

centromere (middle), coiled chromatin, and chromatids (symetrical "legs" of coiled chromatin)

parts of a compound microscope

eye piece (also eye piece lens and ocular) , nose piece, stage, low and high power objective lens, light source, condenser (also diaphragm and aperature control) , base, fine and coarse adjustment knob, spring clips, arm, revolving nose piece, and body tube

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