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Science 1
Unit 1 Science topics
| Question | Answer |
|---|---|
| What is the advantage of the scientific method? | It's unbiased. One doesn't have to believe another scientist. They can redo the experiment themselves. |
| def. of hypotheses | suggested explanation, theory or reason that something is the way it is. MUST BE TESTABLE |
| def. of control group | group under normal circumstances |
| def. of experimental group | the group being manipulated |
| def. of variables | the things that have an effect on the experiment. |
| What are the 3 different variables you need to know in your experiment? | Independent, dependent, and controlled. |
| controlled variables | all the factors that are kept the same for all the groups in the experiment |
| Independent variable | the variable you purposely manipulate. They're the changes that caused directly by the experimenter. |
| Dependent variable | the variable that is being observed, or that depends on the other variables. |
| Kilo | 1000 |
| Hecto | 100 |
| deka | 10 |
| Deci | 1/10 |
| Centi | 1/100 |
| Milli | 1/1000 |
| Micro | one millionth |
| what are the metri system units? | kilo, hecto, deka, unit, deci, centi, milli, and micro. |
| What are the quantities measured in science? | length, volume, mass, time, and temperature. |
| Mass | amount of stuff in an object |
| volume | amount of space taken up by object |
| length | distance between two points |
| What is the Base-10 system? | A system in which each unit is 10 times bigger than the previous one. |
| The scientific method is based on ____, _____, and _____. | logic, reason, and experimentaion. (REQUIRES EVIDENCE) |
| Observation | a description that you make based on your sensing of the world (taste, touch, hear, see, etc.) |
| qualitative | descriptions that do not use numbers. reports colors, tastes, textures, and sound. |
| quantitative | descriptions that include numbers |
| subjective | observations based on opinion or based on who, makes the observation. |
| objective | unbiased descriptions. |
| Inference | an attempted explanation based on observation. |
| What are the 7 steps for the scientific method? | observe, research, create hypotheses, design/conduct experiment, analyze data, conclude based on data, and do it again. |
| What should the title of a graph include? | a specific idea about the graph. It should be placed above the graph |
| What axis should the independent variable go on? | the x-axis |
| What axis should the dependent variable be placed on? | the y-axis |
| What is the legend on a graph? | the key. It's also a short desriptive narrative concerning the graohs data. It should be a short and to the point, and should be placed directly under the graph. |
| How do you calulate percent and error? | actual - observed __________________ actual |
Created by:
pragu :)
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