For more details on leaf and acorn distinction, you might try: http://dendro.cnre.vt.edu/dendrology/syllabus/factsheet.cfm?ID=39
"Branches of Chinquapin Oak are light gray and range from flaky to platy, while its mature bark develops ridges that break into light gray blocks separated by dark gray, deep furrows. This species is yet another member of the White Oak group." https://ohiodnr.com/forestry/trees/oak_chinq/tabid/5392/Default.aspx
For basic descriptions of the many types of Maple:
Black Maple (aka- Hard Maple)
"The bark of a young shagbark hickory tree is brown, but it will turn gray as the tree ages. The bark bows and peels off of the trunk, giving it its distinctive name." How to identify a Shagbark Hickory tree
Interestingly, this tree is a member of the Walnut family. It produces nuts yearly that squirrels scramble over. They are sort of tasty, but rather difficult to separate the shell from the meat. My mother-in-law one year, decided to substitute Hickory nuts for pecans in a pie, which tasted fine, but unfortunately, didn't get 'shelled' completely, leaving a distinct crunch.
There are other types of Walnut trees, grown all over the world, the type depends on the region/climate.
The Black Walnut (as shown) is native to the American Midwest.
We will soon have some high quality specialty wood items to offer on our website: www.livingakers.com. Right now, we have wooden yo yo's in walnut, as well as in cherry. Tell us your ideas...
For more specific identification information, this is a great article!