- http://www.chem4kids.com/files/matter_intro.html
- http://teacher.scholastic.com/dirt/matter/whatmat.htm
- www.chem.purdue.edu/gchelp/atoms/states.html
- www.harcourtschool.com/activity/states_of_matter/
- www.visionlearning.com/module_viewer.php?mid=120
- https://preparatorychemistry.com/KMT_Canvas.html
- http://www.chem4kids.com/files/matter_changes.html
- https://www.youtube.com/watch?v=jRaNw84DRnU
- http://www.chem4kids.com/files/matter_changes.html
- http://www.ancientgreece.com/s/People/Archimedes/
- Same
- http://chemistry.elmhurst.edu/vchembook/104Aphysprop.html
- https://www.thoughtco.com/examples-of-physical-changes-608336
- http://www.chem4kids.com/files/elements/006_speak.html
- http://www.learner.org/courses/essential/physicalsci/session4/closer1.html
- http://eo.ucar.edu/kids/green/cycles6.htm
- http://www.slideshare.net/99tsu/chemical-properties-of-matter-presentation
- Not working
- https://education.jlab.org/atomtour/
- https://education.jlab.org/atomtour/listofparticles.html