absorb
after image
air
air force museum
air pressure
al worden
angle
anorthosite
anthocyanin
apollo
apollo 15
astronomy
autumn
bird
bird feeder
blind spot
borax
Brukner
bubbles
carbon dioxide
carotenoids
chemical change
chlorophyll
Clifton Gorge
color wheel
coniferous
dave scott
deciduous
density
disturbance
dolomite
energy
energy beads
Englewood MetroPark
erosion
expand
fake snow
fall
feeder
fossil
hike
hiking
leaf
leaves
light
moon
plaster
plaster of paris
pop bottle
project
refraction
rock
sedimentary
sound
spectrum
tree
vibration
water
wave
weathering
OH - Dayton / Wright-Patterson Air Force Base
- Overcast, light rain
- Temperature: 51.8 °F / 11 °C
- Wind: South, 9.2 mph
- Pressure: 1009 hPa
- Rel. Humidity: 94 %
- Visibility: 16.1 km
Wed, 03/10/2010 - 10:55