Sometimes you can find whole layers of rock covered with different fossils.
Sometimes the fossils havenít been broken or worn, but other times we
only find little pieces. It can sometimes be very difficult to identify
the pieces, but they can also tell us some very important things. This
is a picture of a layer of fossils that is like those found right here
in New York. Give each type of fossil a color and then circle all of that
kind in the picture with that color. Were there any fossils that you had
a hard time identifying? Why?
Tip: Scientists are unable to identify fossils sometimes. Try your
Extension: You can do this same activity using real rocks covered
Main Message: The main reason for this activity is for students to
see that scientists use all available data, some of which may be uncertain.
Connections: This kind of exercise is part of reconstructing the environment
(activity 3); you do it in real life in activity