Density in Nature Democritus believed that all matter was similar to sand. Even though a piece of wood appears to be solid, it is, in fact, made up of little individual particles that Democritus and his teacher called atoms. Perform the following experiment to see the kind of observation best explained using the concept of atoms. Materials Needed ♦ Vegetable oil ♦ Water ♦ Maple or corn syrup ♦ A calamansi ♦ A piece of cork ♦ An ice cube ♦ A small rock ♦ A tall glass ♦ Eye protection such as goggles or safety glasses Introduction: Observations such as the ones you will make in this experiment are easy to explain when you assume the existence of atoms. Procedure: Take the glass and fill it about ¼ of the way with the vegetable oil. Add an equal amount of water to the glass. Add an equal amount of maple syrup to the glass. Now look at the glass from the side. What do you see? sketch of what you see. 5. Drop the rock, the calamansi, the ice cube, and the piece of cork into the glass. Now what do you see? Add the rock, calamansi, ice cube, and cork to the sketch you made in step 4. 6. Clean up your mess and put everything away. Write all your observations & Analysis:

general allotment act (dawes act) february 8, 1887

amendment to the dawes act, february 28, 1891

commission to the five civilized tribes (dawes commission), march 3, 1893

paul willis (born 1950) is a british social scientist known for his work in sociology and cultural studies. paul willis' work is widely read in the fields of sociology, anthropology, and education, his work emphasizing consumer culture, socialization, music, and popular culture. he was born in wolverhampton[1] and received his education at the university of cambridge and at the university of birmingham. he worked at centre for contemporary cultural studies and subsequently at the university of wolverhampton. he was a professor of social/cultural ethnography at keele university. in the autumn of 2010, he left keele university and is now a professor at princeton university.

paul willis’s work has focused mainly, but not exclusively, on the ethnographic study of lived cultural forms in a wide variety of contexts. from highly structured to weakly structured ones, willis examines how practices of `informal cultural production` to produce and construct cultural worlds `from below`.[2]

trained in literary criticism at cambridge,[2] paul willis received his phd in 1972 from the centre for contemporary cultural studies at birmingham university where he remained as senior research fellow until 1981. he gave a paper at the 9th symposium of the natiohnal deviancy conference in january 1972 entitled 'a motor-bike subculture

during the 1980`s willis served as youth policy adviser to wolverhampton borough council in the english midlands. there he produced the youth review (published by the council and ashgate) which formed the basis for youth policy and for the formation of the democratically elected youth council, both still functioning. during the 1990s he served first as head of the division of media, communications and cultural studies, and then as a member of the professoriate at the university of wolverhampton. in 2000 willis co-founded the sage journal, ethnography. in 2003 willis was hired as a head professor of social and cultural ethnography at keele university.

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southern north america: yucatán peninsula in southern mexico extending into northern guatemala, and northern belize. these moist forests on the yucatán peninsula of south-eastern mexico are characterized by a tropical humid climate with little topographic relief.

explanation: