Students will be able to:
1. Describe the purpose of using variables
2. Explain what it means to write and then read a variable
3. Write an NXT-G program for a robot which writes and reads a variable
4. Write an NXT-G program for a robot incorporating mutiple variables
5. Write an NXT-G program for a robot which displays a variable on the the NXT screen
6. Explain the role of each parameter in a Variable Block