Reading comprehension

This could help you with science revision as well.Remember sats exams are changed. swap Wednesday for Tuesday.
Reading Comprehension sound
1-What causes sound?
2-What are these vibrations called?
3-Explain why some sounds are loud and some quieter?
4-In what situation can you feel sound? Why?
5-Describe and explain why different animals have different types of ears. Give examples of three different types of animal.
6-What is the highness or lowness of a note called?
7-Which solid does sound travel through the quickest?
8-Who was Ludwig Koch? What was he famous for?
9-What noises are dangerous? Why are they dangerous? How can we protect ourselves from this danger?
10-What kind of rhythm does the poem on pages 17 and 18 have. How does this fit in with the subject of the poem?