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