Science Lessons and Investigations includes 12 units, each of which follows the 5E model: Engage, Explore, Explain, Evaluate, and Extend. This gives students a hands-on opportunity to delve into each scientific topic and apply their understanding in a creative way. This teacher's edition includes an answer key for vocabulary and comprehension activities, making it ideal for the classroom and homeschooling.Core subject areas and topics include: Life Science:Plant and Animal Life CyclesNature and NurtureAdaptationsOrganisms in a Changing EnvironmentGroup and Social BehaviorFossils of AncestorsEarth Science:WeatherClimateNatural Processes and HazardsPhysical Science:Changes in MovementPredicting Motion from PatternsMagnetic Forces