Step 1 · Read the article
Open the article and read it at the level above. Then answer the questions below in your own words.
https://smallwhale.org/articles/pepper-s-ghost
Step 2 · Questions
1. What is the illusion principle?
2. What is the discoverer/popularizer?
3. How does Pepper's Ghost create a ghostly image?
4. When did Pepper's Ghost first become popular?
Step 3 · Words to know
Write what each word means, using the article.
Optical Illusion
Reflection
Step 4 · Two facts in your own words
Do not copy the article. Write two things you learned, the way you would explain them to a friend.