UNIT A-Life Science Chapter 1 system deciduous pollinate coniferous seed leaf germinate seedling fossil extinct Chapter 2 trait vertebrate larva pupa adaptation inherited migrate hibernate Chapter 3 environment ecosystem community population grassland desert tundra wetland Chapter 4 producer consumer herbivore carnivore omnivore prey predator competition decomposer decay germs disease UNIT B-Earth Science Chapter 5 water vapor groundwater wetland evaporation condensation water cycle precipitation Chapter 6 weather atmosphere hurricane tornado blizzard Chapter 7 rock mineral igneous rock sedimentary rock metamorphic rock soil decay nutrient loam Chapter 8 crust mantle core landform magma lava weathering erosion Chapter 9 natural resource renewable resource nonrenewable resource conservation recycle UNIT C-Physical Science Chapter 10 matter property pressure element atom periodic table mass volume density buoyancy Chapter 11 physical change states of matter mixture solution chemical change Chapter 12 position motion relative position speed force friction gravity magnetism work Chapter 13 potential energy kinetic energy thermal energy reflect refract absorb electric charge electric current electric circuit Chapter 14 vibration pitch compression wave UNIT D-Space and Technology Chapter 15 star axis rotation revolution phase lunar eclipse telescope constellation Chapter 16 planet solar system orbit asteroid Chapter 17 tool technology invention computer