In this program, learn about the rules that govern matter and find out how the three principal states of matter differ from one another. Many applications of the importance of cells in our daily lives is stressed. The difference between animal cells and plant cells is highlighted. Some of the terminology and concpets conveyed in this video include: cell theory, organelles, cell wall, cell membrane, cytoplasm, mitochondria, ribosomes, nucleus, chromosomes, lysosomes, tissues, organ, and the difference between prokaryotic and eukaryotic cells.