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Scientific Method
Scientific Method, Science Process Skills, Lab Safety, Experimental Design
| Question | Answer |
|---|---|
| Know the difference between a testable and untestable question | A testable question could have an experiment performed, an untestable question is just a regular question EX: Why is the sky blue? Is an untestable question. EX: Does the wavelengths of light emitted affect the color of the sky at different times of day? |
| What is the independent or manipulated variable? | The variable that is changed in the experiment |
| What is the dependent or responding variable? | The variable that is measured or observed |
| What are constants or standardizing variables? | Things that need to stay the same in a controlled experiment |
| What is the control and what is its purpose? | The reference point to compare all tests to and evaluate if an experiment is working |
| Be able to figure out percent error if given a problem | Percent Error = (Accepted Value - Actual Value) /Accepted Value x 100 |
| What makes an experiment fair and valid? | Accurate measurements, repeated trials, detailed notes |
| What is the engineering design process? | Creating something to solve a problem |
| What is the scientific method? | Can be used to discover connections and draw conclusions about the way things work |
| What is the difference between the scientific method and the engineering design process? | Scientific Method answers questions about how things work, Engineering Process creates new things to solve problems |
| How do I ensure that my experiment is accurate? | Measure and follow procedures carefully and do many trials |
| What is data? | Facts, figures, measurements, observations |
| Know and understand the lab rules | Follow instructions, wear closed-toe shoes, tie back long hair, no horseplay etc. |
| What is the difference between qualitative and quantitative data? | quantitative= numbers qualitative= descriptions |
| What is an error? | A mistake in procedure, a mistake in measurement, a poor experimental design. A large mistake is called a blunder |
| Know the different types of graphs (Bar, Pie, Line) | Bar- used when comparing things to each other, Pie- comparing parts to a whole, Line- change over time |
| What is the purpose of a graph? | To reveal trends in data |
| What system of measurements do scientists use? | SI (modernized version of the metric system) (International System of Units) |
| How do scientists communicate their results | In person, online, in print |
| Know the science process skills | Classify, Make Models, Measure, Predict, Define Operationally, Observe, Infer, Experiment, Form a Hypothesis, Use Variables, Use Numbers, Interpret Data, Communicate |
| What is a controlled experiment? | Where you only test 1 factor at a time and all other parts of the experiment stay the same |
| What does it mean to draw conclusions? | It is the step of the scientific method where you decide whether or not your results support your original hypothesis |
| What is CER? Be able to tell a good CER from a bad CER | Claim, Evidence, Reasoning. How to answer a scientific question or argument |
Created by:
klema
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