chemical change classification conductor
stationary object survival universe
physical change position producer protest
method sediment sedimentary rock speed
conservation constellation consumer
fulcrum galaxy hypothesis igneous rock
adaptation atomosphere balance scale
lever magnetic metamorphic rock
decomposer density deposition direction
earthquake electrical circuit electricity
erosion evidence force fossil friction
pulley reflection refraction reproduce
resistance revolution rotation scientific
microscopic mineral motion organism
inclined plane inherited traits insulator
variable volcano wheel and axle