Curated OER
Physical Changes of Matter
Students solve a mystery using evidence gathered during a science investigation. In this physical changes lesson, students analyze a note written in marker to determine the physical changes the ink from the pen underwent. Students...
Curated OER
Force/Newton's Laws/Friction
Learners describe how to recognize a force, define balanced and net forces, state Newton's first law of motion, explain why friction works, state Newton's second Law of Motion, and explain why the direction of force is important.
Curated OER
Forces and Acceleration Unit
Students investigate that an unbalanced force, acting on an object, changes it speed or path of motion or both, and know that if the force always acts toward the same center as the object moves, the objects path may curve into an orbit...