Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Sound, Exercise 1: Exercise 1
Aidan Gill Science Solutions for Exercise - Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Sound, Exercise 1: Exercise 1
Attempt the free practice questions on Chapter 8: Sound, Exercise 1: Exercise 1 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 8 : Workbook solutions are prepared by Experienced Embibe Experts.
Questions from Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Sound, Exercise 1: Exercise 1 with Hints & Solutions
Yuri hits a metal bar with a small metal hammer. He places one ear against the bar and the other ear is open to the air. Choose the best sentence to complete the explanation.
Jamila has written down a number of ideas for investigations about sound. Choose the best idea from the list.
The diagram shows a metal ruler attached to a table, so that half of the ruler sticks out over the edge. Lily finds she can make a sound by bending the ruler at the end and releasing it.
Describe the steps in the process that causes a sound to be made.
Look at the diagram. An electric circuit including a buzzer is set up inside a glass tank.
Mia switches the circuit on so the buzzer makes a loud noise. She then switches on a pump that gradually pumps the air out of the tank. Mia observes that the sound gets quieter until she cannot hear the sound at all. Explain Mia’s observations.
