Science 1.2.1-2
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Created by:
ProfeAcunasClass on September 21, 2009
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29 terms
Terms | Definitions |
|---|---|
 Critical thinking | Thinking logically, make observation and use logic, assess claims, make judgments on the basis of objective and supported reasons |
| Using the scientific method | make an observationand form a hypothesis about your observation. |
| Testing hypothesis | only one variable can be changed in an experiment or your results will be invalid |
| Controlled experiment | When all other variables must remain the same |
| Constant | When a variable remains the same |
| What do scientists use to test a hypothesis? | controlled experiment |
| Can an experiment be a failure? | Nor you may get results you don't expect, but revise hypothsesis & test again |
| Examples of scientific tools? | eyes , radio telescopes, particle accelerators. |
| What is SI based on ? | Si Intermination System of Units, metric system |
| Why use SI ? | For consistency. |
| How do you measure temperature? | kelvin |
| How do you measure electric current? | ampere |
| How do you measure amount of substance? | mole |
| How do you measure luminous instensity? | candela |
| Kelnin | K |
| Ampere | A |
| Mole | mol |
| Candela | cd |
| Kilo | K |
| Mega | M |
| Giga | G |
| Kilo | thousand |
| Mega | million |
| Giga | billion |
| deci | d |
| centi | c |
| milli | m |
| nano | n |
| deci | tenth |
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