Challenge 2017-04

Text Challenge

1. Use the TextWindow to write a program to list all files in user input folder
2. List the files sorted by name alphabetically, or by file type

Turtle Challenge

• Write a Turtle program to move the turtle in a figure of 8

Physics Challenge

1. Write a program with some weighing scales to weigh shapes that can be dropped on the scales
2. Perhaps try a sea-saw type scales to balance weights added to each side

Maths Challenge

• Write a program to calculate the prime factors of a number

Graphisc Challenge

• Write a program to show an animated (rotating) windmill