- Do Now– Copy down today’s homework assignment in your planner. Get out your ISN and open to pages 18 and 19. Work out the following problem: Mr. Golinski is always yelling and with such a deep voice. On the other hand, Mrs. Vigliotti has such a quiet, high pitched voice that she is sometimes hard to hear! How would a graph of the vibrations in Mr. Golinski’s voice box compare to a graph of Mrs. Vigliotti’s voice box?
- Science Friday– The Vampire Squid and Where’s the Octopus?
- Driving Question Summary Table- Complete the Summary Table on pages 18-19 for the Loud vs Soft Sound investigation on pages 26-27 and the Higher vs Lower Notes investigation on pages 28-29.
STUDY for the Sound Source Quiz on Wed. 12/6– ISN pages 15-29
How do the vibrations of the sound source compare for louder vs softer sounds?
- Do Now– Get out your ISN and add to the Table of Contents- “Loud vs Soft Sound p.27” (Right Side); Head page 27 properly with “Loud vs Soft Sound- 11/17/17.”
- Science Friday– Beauty Beyond Skin Deep
- Investigation– Loud vs Soft Sound- In your cooperative table group, answer the “Planning Our Investigation” questions. Then use the range finder probe to detect distance from a student volunteer to the probe over time, moving closer to and farther from the probe and at different speeds. Describe how the graph changes. Observe an object, the wooden stick, at rest. Describe the shape of that graph. Answer the questions on page 1 of handout.
Are other objects that produce music also moving back and forth when they make sounds?
- Do Now– Get out your ISN and open to your DQST on pages 18 & 19.
- Science Friday– Welcome to Hotel Nematoda
- Driving Question Summary Table- Complete the Summary Table on pages 18-19 for the Instruments Investigation on pages 22-23.
- Next Steps Class Discussion- Are the observations made with the instruments also true for other objects that produce sound? Could you use the model your class made to explain how the instruments made sounds to also explain how any object produces sound? How could we investigate this further?
- Index- Count back 6 pages from end. Label first of those pages on top- Index. Draw a cross with a ruler to separate each page into 4 boxes. There should be 24 boxes. Label each box with a letter of the alphabet. Double up Q/R and X/Y. There should be one letter for each box with the exception of Q/R and X/Y. Now you are ready to enter the vocabulary word Vibration.