In this activity students will answer questions about the identifying properties of matter, solve puzzles, determine if two "gemstones" are the same substance, and practice their scientific conclusion writing skills. Students will find links on the Google Site, and answer the questions on the self grading Google Form. Correct answers will provide students with a clue. They will decode the code with the cipher, also found on the Google Site. Once students have decoded the clue, they will need to