size sky soil solid star states of matter
tree universe vibration water weather
conditions daily day death differences
month motion ocean organisms parent
insect light liquid machine magnet
growth position habitat heat horsetail
prehistoric pulling pushing reasoning
straight-line motion sun's position sun's
size teamwork temperature thermometer
characteristics chart circular cloud
dinosaur dissolving distance diversity of
pattern boulder burning change
week weight zigzag machine magnet
magnification magnifier mammoth mixture
air animal animals balance behavior
rock ruler salt science scientist
life earth materials earth's rotation
energy food freezing gas gravity growth
pebble plant precipitation prediction
seasonal shape similarities similarity