← All lessons

🔬 Science - Class 7

Home›Class 7›Science›Unit 7: Energy in Daily Life›Waves and Sound

Unit 7 · Energy in Daily Life

Waves and Sound

ScienceSubject

15 minEstimated read

📖Note 🔬Activity ⭐Points to Remember ✏️Practice Questions 🧪Practice Test 🎬Video 🖥️Presentation

🔐

Sign in to watch the video for this topic.

Create free account Sign in

← All lessons

Unit 7 topics

Energy and Its Sources Heat and Temperature Temperature Scales and Heat Transfer Waves and Sound Light and Reflection

Quick Facts

Unit: 7: Energy in Daily Life
Topic: Waves and Sound
Domain: Physics

Energy without matter

Study Tip

Hold on to one sentence all through this topic: a wave carries energy from place to place without carrying the material it travels through. The pond water stays put, the rope stays in your hand, and the air stays in the room. Only the pattern and its energy move.