The Migration of Monarch Butterflies

State the reasons of the migration of Monarch butterflies:

1. Define these vocabulary words:
-migration
-hibernating
-endangered
-milkweed

2. What causes their migration?
3. When? Where? They migrate.
4. What is their life span?
5. Has the number of the population of Monarch butterflies increased or decreased in the past years? Why?

To answer the above questions click and read these articles National Geographic , Washington Post and Monarch Butterfly
Instructions on procedure:

1. You will work independently.

2. Read carefully the articles listed above.

3. Answer the questions of the migration on Monarch butterflies in a short narrative, images and 1-2 links  to URL where we can learn more about their migration.