Code.org
Sending Bits in the Real World
A bit optional. How do computers transmit in the real world? Pupils research a device that is used in transmitting bits, then individuals create a poster that presents the information they have learned about their device.
Code.org
Asymmetric Keys – Cups and Beans
Beans are for more than just counting! Introduce public key cryptography with cups and beans and ask scholars to use the beans to send secret numbers. Participants learn how this activity relates to public key cryptography and...
Discovery Education
Satellite Telemetry
Satellites require rockets to launch, but it doesn't take a rocket scientist to understand them. Future engineers learn about how satellites send data to Earth and how to interpret satellite images. They see how radio waves play a role...
Code.org
Text Compression
The second lesson in a unit of 15 introduces pupils to text compression. The class begins with discussing how they already use text compression when sending text messages. Pairs learn more about the subject as they work to compress a...
Code.org
Public Key Cryptography
Investigate how public key cryptography works. Scholars continue their study of one-way functions and asymmetric keys and apply this information to public key cryptography. They use an app to explore public key cryptography and its...