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