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/photographic-grey
Step 2 · Questions
1. What is the designation?
2. What is the primary application?
3. Why did railway companies paint their trains grey for photos?
4. How did photographic grey help engineers and historians?
Step 3 · Words to know
Write what each word means, using the article.
Orthochromatic film
Panchromatic film
Tonal reproduction
Industrial heritage
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.