Understanding Encryption for Year 6

What is encryption?

• A way to make a message look pretty

• A method of changing information so only certain people can read it

• A type of computer game

• A way to make your computer faster

Why do we use encryption?

• To make messages longer

• To keep information safe and private

• To make things more expensive

• To make messages disappear

Which of the following is a benefit of encryption?

• It makes your handwriting neater

• It helps protect your personal information from being stolen

• It makes your computer run slower

• It makes your messages easier to read

What is an example of a famous encryption method used by the Romans?

• Morse code

• The Caesar cipher

• Binary code

• The Enigma machine

Which of these is NOT a reason to use encryption?

• To keep secrets safe

• To stop people from cheating in games

• To protect bank details online

• To keep messages private

If you send an encrypted message, who can read it?

• Anyone who finds it

• Only people with the key or password

• Only your teacher

• Only people in your country

What does the Caesar cipher do to a message?

• It turns it into numbers

• It shifts each letter by a certain number of places in the alphabet

• It makes the message disappear

• It changes the colour of the text

Which of these is an example of something you might encrypt?

• Your favourite football team

• Your home address when shopping online

• The weather forecast

• The name of your pet

What do you need to read an encrypted message?

• A special code or key

• A calculator

• A ruler

• A pencil

Which of these is the best description of a cipher?

• A type of sandwich

• A secret way of writing messages

• A kind of animal

• A musical instrument