Please determine what types of evidence the following may be, and if hearsay, please explain if there may be an exception to the hearsay rule:

1.A man holding a book of matches at the scene of a fire.

2.A person who is dead, a smoking gun on the floor, and a person standing over the deceased.

3.Seeing a car hitting a pedestrian.

4.A certified birth certificate.

5.An affidavit.

6.A receipt for prescription drugs.

7."John just said that he killed Susan!"

8.A witness who saw that a child had a compound fracture of his leg.

9.An imprint of teeth marks on a person's arm.

10.A diary.