What happens when scientists observe and compare?

How do Scientists observe and compare?

 Second graders forensic scientists will learn the proper use of a microscope.  This will prepare them for close up looks at all types of organisms as we investigate life cycles this year.

We will start by looking at our fingerprints as begin to answer the question,how are organisms alike and different?  Be prepared to have your own prints investigated at home!

Make a print of your right thumb.  Tape the print in the box.

My Right Thumbprint

Use a magnifier to observe the lines on the thumbprint.

Write what you observed with the magnifier.

Compare your right thumb to your classmates' fingerprints.    

Write what you observed as you compared different prints.    

Fingerprints and the FBI

Compare

The photo below shows the most common fingerprints and their names.  Compare your right thumbprint to these images.
Circle the type of print you think looks most like your right thumb.

Make another copy of your right thumb. 

Tape it onto to the class chart.

Predict

Will there be one type of print that is most common in the class?