Copy and paste this blog into Word. Click on the links and complete the worksheet in Word.
http://www.bbc.co.uk/schools/ks3bitesize/science/physics/sound_1.shtml
1. When is sound produced?
2. Can you be heard screaming in space? Explain your answer
3. Why does sound travel faster through steel?
4. Why do you see lightening before you hear the thunder?
5. What is an echo?
6. What type of surface reflects sound better?
Click on next
7. What does the loudness of a sound depend on?
8. What kind of amplitude does a loud sound have?
9. What kind of amplitude does a quiet sound have?
Click on Next
10. What does the pitch of a sound depend on?
11. If there are lots of vibrations a second what is the frequency and pitch like?
12. If there are not many of vibrations a second what is the frequency and pitch like?
Click on Next
13. What vibrates when sound enters the ear?
14. What do the tiny hairs in the cochlea do?
15. What is the range of sound that humans can hear?
16. With old age our audible range get smaller, what might happens to the small bones in the ear to cause this?
17. Name two ways that loud sounds can damage our ears.
Click on Try Test
18. Write your score in the test here _______________
Subscribe to:
Post Comments (Atom)
3 comments:
i like a lot your web it is realy usefull!!! i had learn a lot!!
i like a lot your web i have learn a lot and it is realy usefful for tests!!!!
i like a lot your web i have learn a lot and it is realy usefful for tests!!!!
Post a Comment