Best when used in association with the Energy Book and Kit or Energy Teachers Pack (for classrooms).
NGSS 4. Energy 4-PS3-1, 4-PS3-2, 4-PS3-3, 4-PS3-4, 4-ESS3-1 (optionally fit into 5th grade)
Core Disciplinary Ideas: PS3.A: Definitions of Energy; PS3.B: Conservation of Energy and Energy Transfer; PS3.C: Relationship Between Energy and Forces ETS1.A: Defining Engineering Problems
Mechanics, Waves & Energy: Types of Energy Radiant, Sound, Thermal, ElectroMagnetic, Gravity, etc., Kinetic and Potential Energy, Energy Transfer, Conservation of Energy and Entropy.