[pic] [pic] ALICE ASHNA 5S JASPER WILLIAMS HIGH SCHOOL 2012 TOPIC 1: SCIENCE AND THE TOOLS OF alchemy 1. Science- is a management of thinking that helps us to understand the piece. 2. Chemistry- is a branch of lore that is interested in what social do are made of and how they change. 3. Bio chemic science - is the study of chemical substance changes inside cells. 4. Organic chemistry studies the changes involving the element carbon. 5. inorganic chemistry studies things that are not made of carbon (e.g. computing machine separate and superconductors. 6. Scientists believe that matter behaves according to natural law. 7. dwarf happens when the woolgather moves through the earths shadower. The earth blocks the sunninesss light and the moon some becomes dark. After about an hour the moon moves out of the earths shadow and it becomes light again. 8. scientific method is a way if culture about the world and making sur e what we learn is correct. ( e.g. chemistry practicals) 9. Experiment is a way if testing our hypothesis to underwrite if it is true. 10. Variable is the thing that is changed in an experiment. It is wise to use single one variable 11. inhibit experiment- an experiment in which we do not change the variable. 12. qualitative observation are description(e.g. the polish changed from yellow to red , bubbles were produced etc) 13. denary observation are detailed measurement (e.g. the rate was in two ways as fast, 25.5ml of gas was produced etc) 14. Significant figures are figures that we have measured. The much SI a measurement has, the more precise it is.
| amount |SI |EXPLANATION | |1259 |4 |Natural numbers are meaningful | |1200 |2 |The underlined zeros are not significant...If you want to work everyplace a full essay, order it on our website:
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