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