Chemical and Physical Changes 2/1
This week in Science we learned about chemical and physical changes, and the difference between the two. We were supposed to be forensic scientists trying to figure out if two imaginary people smuggled drugs to the U.S. from Thailand. We ran tests on four white powders plus the one that was unknown. then we compared the results and figured out which substance matched the unknown. Just letting you know we did not use real drugs for this experiment. We tested how the substances reacted when they were mixed with five drops of vinegar, five drops of water, when they were … Continue reading Chemical and Physical Changes 2/1