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/1970
Step 2 · Questions
1. What is the calendar system?
2. What made the year 1970 special?
3. Why was Earth Day celebrated in 1970?
Step 3 · Words to know
Write what each word means, using the article.
Gregorian Calendar
Common Era (CE)
20th Century
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.