1. Interactions of Waves

2. Reflection Diffraction Refraction Destructive interference Constructive interference

3. Interactions of Waves Reflection Refraction What the Wave Encounters How Wave ReactsExample Hits something itWave bounces backEcho can’t go through Enters a newWave changesLight medium at an angledirection and speed;entering wave bendsa prism

4. Reflection

8. VirtualReflectsConvex Real or virtual ReflectsConcave VirtualReflectsPlane Type of Image Formed How It Affects Light Type of Mirror

9. Refraction

11. Type of LensHow it Affects LightType of Image Formed Refraction Convex Concave RefractsReal or virtual RefractsVirtual

12. Sound Waves

13. Higher frequencyLower frequency

14. Sound Waves Intensity Frequency Waves Sound properties include Density Temperature Elasticity travels as speed depends on heard as Pitch Loudness

15. Types of Waves Wavelength Amplitude

16. Types of Waves

17. Transverse Longitudinal Waves movemade ofmovemade of Crest Trough At right angles to direction of waves Parallel to direction of waves Comp- ression Rarefaction

18. Wave Motion

19. transfer Wave Motion Energy Mechanical waves Electromagnetic waves A medium to pass through include require don’t require Waves include

20. The Electromagnetic Spectrum

22. is composed of which include Microwaves Visible light Ultraviolet rays Infrared waves X-rays Radio wavesGamma rays Electromagnetic spectrum