Caesar CIPHER QUIZ

What is a Caesar Cipher?

• A type of letter used in ancient Rome.

• A method of encrypting text by shifting the alphabet by a certain number of letters.

• A way to write secret messages using numbers

• A code that only uses numbers and symbols.

If the Caesar Cipher uses a shift of 3, what letter does "A" become?

• C

• B

• D

• Z

In a Caesar Cipher, what happens when you shift past the letter "Z"?

• You stop.

• You start over at "A".

• You use numbers instead.

• THE MESSAGE BECOMES UNREADABLE

If the alphabet is shifted by 4, what letter would "H" become?

In a Caesar Cipher with a shift of 2, the word "DOG" would be encoded as:

If the word "LION" is encoded using a Caesar Cipher with a shift of 1, what is the encrypted message?

BONUS!!!!

Decode the following message using a Caesar Cipher with a shift of 3 (Hint: Shift the letters backwards by 3 places):

WKHUH LV D VHFUHW PHVVDJH

Using a Caesar Cipher with a shift of 5, encode the word "SCHOOL":

BONUS!!!!!!

Why do you think Julius Caesar used this cipher to send messages?