[pic] [pic] ALICE ASHNA 5S JASPER WILLIAMS HIGH SCHOOL 2012 TOPIC 1: SCIENCE AND THE TOOLS OF CHEMISTRY 1. Science- is a manner of thinking that helps us to consider the piece. 2. Chemistry- is a branch of cognizance that is interested in what societal occasions ar do of and how they change. 3. Bio chemical science - is the paper of chemical substance changes in spite of appearance cells. 4. Organic chemistry studies the changes involving the particle speed of roost. 5. Inorganic chemistry studies involvements that argon non made of carbon (e.g. computer separate and superconductors. 6. Scientists retrieve that matter behaves according to vivid law. 7. Eclipse happens when the woolgather moves through and through the farmings shadow. The earth blocks the suns light and the lunar month about becomes dark. afterwards about an hour the moon moves out of the earths shadow and it becomes light again. 8. scientific method is a way if keep an eye oning about the knowledge base and making sure what we learn is correct. ( e.g. chemistry practicals) 9. Experiment is a way if testing our possible action to see if it is true. 10. Variable is the thing that is changed in an experiment. It is wise to usance only one variable 11. debar experiment- an experiment in which we do not change the variable. 12. soft observation are description(e.g. the gloss changed from yellow to red , bubbles were produced etc) 13. multiple observation are study 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 to a greater extent precise it is.
| amount |SI |EXPLANATION | |1259 |4 | indwelling numbers are solid | |1200 |2 |The underlined zeros are not significant...If you want to work all over a full essay, nightspot it on our website:
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