This site from the Exploratorium contains a simple demonstration of how objects can disappear when placed in a liquid. The activity uses glass objects and Wesson™ oil. The site provides an explanation of the refraction and reflection involved along with related physics concepts and extension activities.
- Grade 1
- Grade 6
- Grade 8
- Grade 9
Keywords:oai:nsdl.org:2200/20061121131204326T,Properties of Matter,Chemistry,Geometrical Optics,NSDL,refract,index of refraction,Middle School,light,Optics,Engineering,reflect,General Physics,High School,NSDL_SetSpec_439869,Vocational/Professional Development Education,Informal Education,Mathematics,optical density,speed,Physics
Access Privileges:Public - Available to anyone
License Deed:Creative Commons Attribution Non-Commercial Share Alike