You Do Need power plug adapter while traveling from Bahrain to Jordan.

Here is Why You Need An Adapter

The outlet and plug type used in Jordan are C, D, F, G and J and in Bahrain is G. This is how they look like.

Bahrain

In Bahrain, outlets of type G are in use.

Type G

Jordan

In Jordan, outlets of type C, D, F, G and J are in use.

Type C

Type D

Type F

Type G

Type J