Sound waves are caused by vibrations and carry energy through a medium Sound Demonstrations.
Chapter 15: Middle Adulthood: Physical and Cognitive Development Development Across the Lifespan.
Chapter 15: Middle Adulthood: Physical and Cognitive Development
1 Chapter 15 Physical and Cognitive Development in Middle Adulthood.
© Boardworks Ltd 2004 Using Sound KS4 Physics. Learning Objectives Understand how sound is heard and the audible frequencies of human hearing Understand.
Sound Demonstrations
