Sound Energy

CBC Grade 5 Science and Technology — Sound Energy

Lesson Objectives

By the end of this topic, a learner should be able to:

• Identify sources of sound in nature
• Demonstrate how sound moves
• Describe the effects of loud sound
• Appreciate the role of sound in everyday life

Summary

Sound is produced by vibration. It spreads outward in every direction from its source, and can bounce back as an echo. Loud sound can genuinely cause harm.