You Do Need power plug adapter while traveling from Israel to Falkland Islands.

Here is Why You Need An Adapter

The outlet and plug type used in Falkland Islands is G and in Israel are C and H. This is how they look like.

Israel

In Israel, outlets of type C and H are in use.

Type C

Type H

Falkland Islands

In Falkland Islands, outlets of type G are in use.

Type G