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