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