Observing Living Organisms!

Can you believe we are going to observe living organisms that are so small that we need a microscope to see them?

Watch/listen to the following video story to learn a little about the organisms we will be observing next week!

 http://www.youtube.com/watch?v=OBY1EKjXj8M

Why do you think it will be challenging to observe these organisms?  What are some things you will need to do to be successful?