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Read Pg 574

Chapter 20 Section 1 Directed Reading pg 574-579 http:// my.hrw.com login: jcarlson652 pass: science. Read Pg 574.

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Read Pg 574

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  1. Chapter 20 Section 1Directed Readingpg 574-579http://my.hrw.comlogin: jcarlson652pass: science

  2. Read Pg 574 • 1) What is a wave? ________________________________________________________________________________________________________________________________________________________________________ • 2) Waves move energy. Use the picture at the bottom of pg 574 to explain this. ________________________________________________________________________________________________________________________________________________________________________ • Use the Gloss app to make a study card for Wave. Remember to draw a picture, and write it in your own words.

  3. Reflect: Slinkies • Based on your slinky observations, how is a slinky a wave? Draw some pictures to explain.

  4. Read pg 575-576 • Waves and Work; What evidence exists that proves waves transfer energy to do work? ________________________________________________________________________________________________________________________________________________________________________ • Energy Transfer Through a Medium; What is a medium?____________________________________________________________________________________________________________________ How is energy transferred through a medium?______________________________________________________________________________________________________________________________________________________________________________ • Use your gloss app to make a study card for Medium.

  5. 575-576 Continued…. • Energy Transfer Without a Medium: Look at the picture on pg 576. What kind of waves can travel without a medium? ____________________________________________________________________________________________________________________ Do waves that can travel without a medium, pass through a medium? Why or why not?____________________________________________________________________________________________________________________ Challenge: Do the Activity at the bottom of page 576. Record your results below.

  6. Reflection: Slinkies continued • What kinds of mediums were the waves traveling through when you observed the slinkies?________________________________________________________________________________________________________________________________________________________________________ • Was there an observable difference in wave behavior, or wave data based on the medium? Example….plastic vs. metal? Large vs. Small?________________________________________________________________________________________________________________ • Go to your Physical Science Glossary App. Click on Sound and Waves. Watch the Wave video.

  7. Read pg 577-579 • Transverse waves and Longitudinal waves are not the same. Use your Gloss App to make a study card for each. Be sure to use your own words, and draw a picture. Make sure you label the parts of the waves. Use the pictures on pg 577 and 578 to help you. • Slinky reflection: You made both transverse waves and longitudinal waves with your slinkies. How are these two types of waves similar/different? ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

  8. Watch this….. http://quietube5.com/v.php/http://www.youtube.com/watch?v=wbp-EtVSBEs Reflect: What is happening to the energy in this wave? Reflect: Why does the slinky keep ‘walking’? Reflect: What kind of wave do you think this is?

  9. For An Extra Challenge • Go to the Physical Science GlossaryApp.Watchthe videos for Reflection and Refraction. Write about your observations in your science notebook. • Go to the Xperica HD App. Read the instructions and perform the Oscillation experiment. Write about your observations in your science notebook. • Go to the Sound Uncovered Exploritorium. Choose 6 articles to read and explore. Summarize your learning in your science notebook. • Go to the Physical Science Glossary app. Watch the videos for Light and the Electromagnetic Spectrum. Write about your observations in your science notebook.

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