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