Morse Code

Warm Up

How has communication developed?

Warm Up

Can you put these methods of communication in order from 1-6?

(Oldest = 1, Newest = 5).

The first one is completed for you.

Mini-lesson

How was Morse Code innovative?

Vocabulary

Checks for understanding

1. How did Morse represent letters with buzzes?

A. With different dots

B. With a different combination of dots and dashes for each letter

C. Using dotted letters

1. With a partner discuss and record one reason why Morse Code was innovative.

Worked Example

Step 1.

Turn on and pair:● 1 Buzzer/Virtual Buzzer block● 1 Button/Virtual block

Step 2.

Send the message 'Hi'.

Step 3.

Now send a short phrase of 2 - 3 words like ‘We can’.

Checks for understanding

1. What is Morse Code for “Hi”?

2. What is the letter “A” in Morse Code?

A.

Step 1.

Drag the following blocks on the workspace:● Text block● Morse Code block

Connect them in this order: button to Text block, Text to Morse Code block, Morse to Buzzer block.

Step 2.

Access the settings of the Text block and enter the word ‘Hi’.

Step 3.

Test your system.

Challenge 1

Checks for understanding

1. What is the purpose of the Text block?

A. To send a text message

B. To add the Morse Code

C. To add the text you want sent through

1. What is the purpose of the Morse Code block?

A. To receive a Morse Code message

B. To translate the text sent into Morse Code to transmit

C. To add the dots and dashes to

Step 1.

Drag on and add a Toggle block.

Step 2.

Connect the Toggle block between the Button block and the Text block.

Step 3.

Test your system.

Challenge 1- Debug it!

Challenge 2Look at the pictures and read the steps that describe Challenge 2. What happens first? Second? Third? Write the number of the step to match each picture. Step 1 has been completed for you.

Step 1.

Turn on and pair:● RGB LED

Drag it onto the workspace.

Step 2.Add the RGB LED to the output of the Morse Code block.

Step 3.Change the color of the RGB LED.

Challenge 2

Step 4.Test your system and code another message.

Challenge 2

Checks for understanding

1. Which block is the input to the system?

A. Toggle block

B. Text block

C. Button block

1. Which block is the output to the system?

A. RGB LED

B. Buzzer block

C. Both of the above

✓ Today I learned….

Tidy Up/Exit Ticket