LED lights are also used to make buildings and landmarks look special. In America, towns are using LED lights to make water towers and other places look really cool. A place in Las Vegas uses millions of these lights to change how it looks on the outside. In Japan, scientists made a blue LED light that only needs one AA battery to work. Companies are also making tiny LED lights that could be used in virtual reality games.

In conclusion, blue LED lights have changed how we use lights and how things look. They are powerful and efficient, which makes them very popular. Scientists are still trying to make them even better.

Original news source: The incredible power of blue LEDs (BBC)

– Charades
Instructions: Divide the class into small groups. Give each group a set of index cards with different actions or objects related to the article (e.g. "turning on a LED light", "playing a virtual reality game"). One student from each group will choose a card and act out the action or object without speaking, while the rest of the group tries to guess what it is. The group that guesses correctly gets a point.
– News Summary
Instructions: In pairs, have students take turns summarizing the article. Each student has one minute to give a summary of the main points of the article to their partner. After both students have had a turn, they can discuss any differences or similarities in their summaries.
– Opinion Poll
Instructions: Have students work individually to come up with three questions related to the article that they would like to ask their classmates. Once everyone has their questions, they can go around the classroom and ask their classmates for their opinions. After collecting the data, students can present their findings to the class.
– Vocabulary Pictionary
Instructions: Write down 5-10 vocabulary words from the article on separate pieces of paper. Divide the class into two teams. One student from each team will come to the front of the class and pick a word. They must then draw a picture to represent the word while their team tries to guess what it is. The team that guesses correctly gets a point.
– Future Predictions
Instructions: In pairs, have students discuss and make predictions about how LED lights will continue to change in the future. They should consider advancements in technology, potential new uses, and any drawbacks or limitations. After discussing, each pair can share their predictions with the class.

Blue LED lights, ? in the 1990s, are now used in many different ways. The University of ? used them to make a cool light ? at a football game. At first, people didn't think these lights were very good. But now, they are much better and scientists are trying to make them even better with something called perovskite crystals. These ? can be used for many things, like outdoor lights and even in virtual reality ?. LED lights are also used to make ? and landmarks look special. In America, towns are using LED lights to ? water towers and other places look really ?. A place in Las Vegas uses ? of these lights to change how it looks on the outside. In Japan, scientists made a blue LED light that only needs one AA battery to work. Companies are also making tiny LED lights that could be used in virtual reality games. In conclusion, blue LED lights have changed how we use lights and how ? look. They are powerful and efficient, which ? them very popular. Scientists are still ? to make them even better.

1. What are blue LED lights used for?
2. How do blue LED lights make buildings and landmarks look special?
3. Do you think blue LED lights are better now than they were in the past? Why or why not?
4. What do you think about the idea of using blue LED lights in virtual reality games?
5. How would you feel if your town used blue LED lights to make the water tower look really cool?
6. What is a perovskite crystal and why are scientists trying to use it to make blue LED lights better?
7. Do you like the idea of using blue LED lights to change how things look on the outside of buildings? Why or why not?
8. How do you think blue LED lights have changed how we use lights?
9. Do you think blue LED lights are popular? Why or why not?
10. What do you think scientists could do to make blue LED lights even better?
11. How would you feel if you could use tiny LED lights in virtual reality games?
12. Have you ever seen blue LED lights? If so, where did you see them and what did you think?

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