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