TryEngineering
Circuits and Boolean Expressions
Teach basic logic using Boolean operators. Young computer scientists learn about the operators NOT, AND, and OR, and how they can be expressed using Boolean notation, logic gates, or truth tables. Along the way, they learn about half...
Computer Science Unplugged
The Peruvian Coin Flip–Cryptographic Protocols
A digital flip. Introduce your classes to cryptographic protocols using and, or, and not gates. Groups create a complete circuit to convert a binary number into another one. This type of one-way function allows pupils to verify the...
National Nanotechnology Infrastructure Network
Hiding Behind the Mask
Microchips are a man-made wonder. Investigate the manufacturing wonder with a hands-on inquiry-based lesson. Scholars simulate the process of pattern transfer using photoresist. Their conclusion identifies how their process replicates...