https://docs.google.com/document/pub?id=1jcw-WIu-37ajwj3KkByTJe4jds1Z_Q-R2d3Ix5V-kTk
Homework:
3/21 - On LL - Use the internet for information. Write out questions
1. Hypothesize what happens to sound waves when they reach a wall or other solid, flat object.
2. If sound can't travel in space, hypothesize what other modes of communication astronauts can use when they are outside the space shuttle?
3. Explain why, based on the behavior of sound waves, a classroom with a tile floor is louder than a library that is carpeted.
4. How does sound travel when you have a conversation with your friends?
5. Think about what it is like to hear things under water. Debate whether sound travels better in liquids (like water), gases (air), or solids (like putting your head down on a desk and having someone slam a book down on the surface)?
6. Discuss why you see lightning before you hear thunder during storms.
