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Physical Science 1
| Question | Answer |
|---|---|
| Name four branches of Science | Botany Zoology Biology Chemistry |
| Pure Science is defined as | the continuing search for specific knowledge |
| Applied Science is defined as | the search for ways to use scientific knowledge for practical applications |
| Technology is | the application of science for practical purposes |
| Laws and theories are supported by | experimental results |
| Scientific law is a summary of many | experimental results and observations; a law tells how things work |
| Mathematics can describe | physical events |
| A qualitative statement describes something with | mathematical equations |
| Theories and laws are | always being tested |
| A model is a representation of | an object or event that can be studied to understand the real object or event |
| Scientist approach a problem by | thinking logically |
| Critical thinking is the ability and willingness to | assess claims critically and to make judgments on the basis of the objective and supported reasons |
| The Scientific Method is | a general description of scientific thinking rather than an exact path for scientists to follow |
| Scientific method is a series of steps followed to solve problems including | collecting data, formulating a hypothesis, testing they hypothesis, and stating conclusions |
| Scientist test a hypothesis by | doing a controlled experiment |
| In a controlled experiment, all the factors that could affect the experiment are kept constant except | for one change |
| A hypothesis is a | possible explanation or answer that can be tested |
| A Variable is a factor that | changes in a experiment in order to test a hypothesis |
| SI unites are used for | consistency |
| Many observations rely on | quantitative measurements |
| Line graphs are best for | continuous change |
| The values of the dependent variable depends on | what happens in the experiment |
| The values of the independent variable are set | before the experiment takes place |
| Bar graphs | compare items |
| A bar graph is useful for comparing similar data for | several individual items or events |
| Pie charts show | parts of a whole |
| Pie charts are idea for displaying | data that are parts of a whole |
| Data in pie charts is presented as | percent |
| Scientific notation is a method of | expressing a quantity as a number multiplied by 10 to the appropriate power |
| Precision is | the exactness of a measurement |
| Accuracy is | a description oh how close a measurement is to the true value of the quantity measured |
| During a storm, rainwater depth is measured every 15 minutes. Which of these terms describes the depths of water? | dependent variable |
| What is a scientific theory? | an explanation of how a process works based on observations |
Created by:
Becca101
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