SOL PS.1. Scientific Process 1. The scientific method is a series of steps that scientists use to answer questions and solve problems.1. The scientific.

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Presentation transcript:

SOL PS.1

Scientific Process 1. The scientific method is a series of steps that scientists use to answer questions and solve problems.1. The scientific method is a series of steps that scientists use to answer questions and solve problems. 2. Stating the problem is the first step in the scientific method. One asks a question that can be answered through scientific investigation.2. Stating the problem is the first step in the scientific method. One asks a question that can be answered through scientific investigation. 3. An inference is a proposed explanation for an observation3. An inference is a proposed explanation for an observation

4. A hypothesis is an educated guess, a proposed answer to your problem. The manipulated (independent) variable, and the responding (dependent) variable.4. A hypothesis is an educated guess, a proposed answer to your problem. The manipulated (independent) variable, and the responding (dependent) variable.

Variables 5. Manipulated (independent) variable is a factor that is intentionally changed in an experiment by the investigator5. Manipulated (independent) variable is a factor that is intentionally changed in an experiment by the investigator 6. A responding (dependent) variable is a factor that is affected as a result of changing the manipulated (independent) variable6. A responding (dependent) variable is a factor that is affected as a result of changing the manipulated (independent) variable Constants are variables that are kept the sameConstants are variables that are kept the same Control is what you compare your results to… the normal results.Control is what you compare your results to… the normal results.

Research and Testing 7. Conduct research7. Conduct research 8. Plan and perform experiment8. Plan and perform experiment 9. There are two types of observations, qualitative (using your senses) and quantitative (involves measurements and numbers).9. There are two types of observations, qualitative (using your senses) and quantitative (involves measurements and numbers).

Data 10. Organize your data so that you may easily analyze the results. Your data can be used to make predictions and inferences. Use charts, graphs, and diagrams.10. Organize your data so that you may easily analyze the results. Your data can be used to make predictions and inferences. Use charts, graphs, and diagrams.

11. One must state a conclusion after performing an experiment. You restate your purpose, describe your results and tell whether your hypothesis was supported or not by your data. Your hypothesis does not need to match.11. One must state a conclusion after performing an experiment. You restate your purpose, describe your results and tell whether your hypothesis was supported or not by your data. Your hypothesis does not need to match. 12. Rerun your experiment. 12. Rerun your experiment.

Metric Measurement 13. All scientific measurement is done through the metric system. The basic unit of mass is grams, volume is liters, and length (distance) is meters.13. All scientific measurement is done through the metric system. The basic unit of mass is grams, volume is liters, and length (distance) is meters.

Length 14. Measure the distance of length of an object14. Measure the distance of length of an object 15. To find length, use a metric ruler.15. To find length, use a metric ruler.

Mass 16. Mass is the amount of matter that makes up an object. It does not change when its location changes.16. Mass is the amount of matter that makes up an object. It does not change when its location changes. 17. To find mass use a triple beam balance.17. To find mass use a triple beam balance.

Volume 18. Volume is the amount of space an object takes up or occupies.18. Volume is the amount of space an object takes up or occupies. 19. To find volume of an irregular object use a graduated cylinder19. To find volume of an irregular object use a graduated cylinder

To Calculate the density, measure the mass and volume of substances.

20. Classification is a way of organizing by using characteristics. In an effective classification system, accurate comparisons and contrasts are made.20. Classification is a way of organizing by using characteristics. In an effective classification system, accurate comparisons and contrasts are made. 21. Predictions are things you think will happen in the future based on past observations and experiences.21. Predictions are things you think will happen in the future based on past observations and experiences.

Models 22. Models provide a way of visually representing abstract concepts. The use of models permits students to order events or processes.22. Models provide a way of visually representing abstract concepts. The use of models permits students to order events or processes.

NANOTECHNOLOGY Recognize examples of the use of nanotechnology and its applications.