We worked on a Life Science unit learning about the life cycle of a butterfly! In doing this, we ordered caterpillars from
www.insectlore.com. The students loved watching the three caterpillars go through the stages to become beautiful butterflies: egg (ova--we did not see this stage in class), caterpillar, chrysalis (pupa), butterfly.
When we received our caterpillars, they came in this cylindrical container full of food on the bottom (that looked like peanut butter) and holes on the lid so they could breathe. They ate for about a week and grew in length and width.
The caterpillars then climbed to the top of the container, hung like a "J" and formed a hard shell called the chrysalis, or pupa.
Caterpillars are in the chrysalis for approximately 2 weeks, or 14 days. During this time, they are changing from a caterpillar to a butterfly. Just before breaking through the hard shell, it becomes transparent. We were actually able to see the coloring on their wings as well as some spots. The students were SUPER EXCITED!
When we received our caterpillars, they came in this cylindrical container full of food on the bottom (that looked like peanut butter) and holes on the lid so they could breathe. They ate for about a week and grew in length and width.
The caterpillars then climbed to the top of the container, hung like a "J" and formed a hard shell called the chrysalis, or pupa. 
Caterpillars are in the chrysalis for approximately 2 weeks, or 14 days. During this time, they are changing from a caterpillar to a butterfly. Just before breaking through the hard shell, it becomes transparent. We were actually able to see the coloring on their wings as well as some spots. The students were SUPER EXCITED!
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