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