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学生说明
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Read the information, solve the puzzles and look everywhere for clues.
Help the Earth escape the classroom as quickly as you can. Type your answers in the form.
Click 
when you're finished!
教师备注（学生不可见）
2 digit number lock (Example 98): 52 8 letters, 2 words, ALL CAPS ( Example: STOP HERE) PALM TREE 7 Letter word, ALL CAPS: RECYCLE 5 Letter word, ALL CAPS: REUSE 4 digit number lock: 1970 6 letter word, ALL CAPS: (hint, conserve…) ENERGY 4 Letter color code, ALL CAPS: GBGB
