Long ago the earth's climate was different. .
Your rock may be covered with mud. Touch the bucket and the water to dip it for cleaning. When you think it is clean enough, click here to get a better look. HOME PAGE | BOOKS PAGE | GALLERY | KIDS PAGE | TEACHERS/LIBRARIANS
It's sometimes hard to get the rock to crack,
but you did it!
Rainfall may be more or less now in certain parts of the world than in prehistoric times.
A plant fossil could appear in a very unlikely place.