Reflection And Absorbtion Of Sounds

Question 1

Name three things that sound waves can do (objects).

Answer 1

Sound waves can be reflected from objects, passed through objects or be absorbed by objects, depending on the materials the objects are made of.

Question 2

What is sound reflected off?

Answer 2

Hard surfaces, such as bathroom tiles or concrete.

Question 3

What is reflected sound heard as?

Answer 3

An echo.

Question 4

What is the method called that uses sound waves to calculate depth?

Answer 4

Sonar (Sound Navigation and Ranging).

Question 5

Name three materials that absorb sounds.

Answer 5

Curtain fabrics, carpet and cushions absorb sound.

Question 6

How fast does sound travel in seawater?

Answer 6

1500m/s.