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Tag Archives: Freezing

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Food Preservation: History, Methods, Types

HistoryBy William Anderson (Schoolworkhelper Editorial Team)August 22, 20111 Comment

Throughout the history of mankind science has searched into the realms of the unknown. Along with it bringing new discoveries, allowing for our lives to become healthier, more efficient, safer, and at the same time, possibly more dangerous. Among the forces driving scientists into these many experiments, is the desire to preserve the one fuel…

Physical and Chemical Changes

ScienceBy William Anderson (Schoolworkhelper Editorial Team)August 18, 20104 Comments

– In order to get many chemicals to function the way we want them to, we need them to change.  Example: no one would eat a raw hamburger.  By applying heat to the ground beef, it turns into its finished product PHYSICAL CHANGES – Physical changes involve a change in state.  Do you remember what the three…

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