EASY
Lower Secondary Stage 8
IMPORTANT
Earn 100

A person makes a sound which starts at a very low pitch. The pitch then becomes higher and higher. At the same time, the sound gets quieter and quieter. Sketch a diagram to show what the sound wave would look like.

Important Questions on Sound

EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 6>Q 4
During a thunderstorm, you see the lightning much sooner than you hear the thunder. What does this tell you about the speed of sound compared to the speed of light?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 11>Q 4
Which of the animals dogs, cats, dolphins and bats can hear the lowest frequency?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 11>Q 4
Which of the animals dogs, cats, dolphins and bats can hear the highest frequency?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 11>Q 4
Which of the animals dogs, cats, dolphins and bats can hear over the biggest range of frequencies?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>End of chapter review>Q 17

How would you use the equipment shown in the figure, to show that sound cannot travel through a vacuum?

Question Image

EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>End of chapter review>Q 17

How does the equipment shown in the figure prove that sound cannot travel through a vacuum?

Question Image

EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>End of chapter review>Q 17
Explain why sound cannot travel through a vacuum.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>End of chapter review>Q 18
Sound travels faster through water than through air. Suggest a reason for this.