Unit 1 Practice Test Word Scramble
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| Question | Answer |
| What is the main reason scientists use a model of an atom? | An atom is very small, and a model aids in its study |
| Which graph best shows change over time? | Line Graph |
| Students use a 3D reproduction of a skeleton to learn about bones. What describes this tool? | Physical Model |
| What is the purpose of a scientific law? | to describe a phenomenon in nature |
| Which source should a scientific researcher reject because of unreliability? | A magazine article advertising a product |
| Which term can describe a mathematical formula that describes a phenomenon in nature? | A scientific law |
| Which phrase defines a scientific theory? | a well-supported explanation |
| Jo must conduct a scientific investigation for a project. Which step should she complete first? | Define her research problem or question |
| the difference between a test variable and an outcome variable is... | The test is manipulated and the outcome provides results. |
| Why do many scientific experiments include several trials as opposed to one single trial? | It increases the sample size being tested. |
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MrsHartLovesScience
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