1. What Do All of These Pictures Have in Common?

2. Objective: Describe how waves carry energy but not matter. Distinguish between waves that require a medium and those that do not. Explain the difference between longitudinal, transverse waves, and surface waves. The Nature of Waves

3. Challenge Question Explain why you can’t cause a floating leaf to move to the edge of a pond by throwing rocks behind it?

4. Challenge Question Explain why you can’t cause a floating leaf to move to the edge of a pond by throwing rocks behind it? A.Because leaves are too light to move on water B.Because leaves are too heave to move on water C.Because waves only carry matter and a leaf is energy D.Because waves only carry energy and a leaf is matter

5. Connection Stadium Waves! –What kind are they? –What type are they? –How do you know?

6. Connection Stadium Waves! –What kind are they? Mechanical or electromagnetic –What type are they? transverse or longitudinal

7. Vocabulary Wave Medium Transverse wave Longitudinal wave Energy Matter Electromagnetic Waves Mechanical Waves

8. Activities/Assignments GRAPHIC ORGANIZERS WAVES TYPES OF WAVES VIDEOS The Nature of Waves Waves & Energy To Do and Discuss: Making Waves with Springs What is Moving in a Wave?