Name: Hr: 4. Write two specific things you learned from this Ted Talk: a. b. 5. If you could ask one question of the speaker, what would you ask? Part 3 Before reading the article, answer the two pre-reading questions. Then, read the article and answer the questions that follow. Pre-reading: 1. What is sound? 2. We mainly experience sound through our ears. But have you ever felt a sound? Describe when and where this occurred. Link to Article: https://www.sciencenewsforstudents.org/article/using-sound-to-move-and-filter-things During Reading: 1. What does acoustophoresis mean? Where does the word come from? 2. What trick did two German physicists do using sound in the 1930s? 3. What does it mean when someone refers to a soundwave's amplitude? What about its wavelength? 4. Describe three different outcomes that may occur when soundwaves crash into each other