Waves are disturbances that transfer energy from one place to another without transferring matter. When waves meet or pass through different materials, they can interact in several ways. These interactions include reflection, refraction, diffraction, and interference.
1.1. What is a wave?
2.2. What happens during reflection?
3.3. Which example best represents reflection?
4.4. What causes refraction?
5.5. Which situation shows refraction?
6.6. What is diffraction?
7.7. Which example best shows diffraction?
8.8. What is interference?
9.9. What is constructive interference?
10.10. Why are wave interactions important?