Scientific Matter II
Terms
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- A Way of Learning about the natural world through observations and logical reasoning
- Science
- The various organized methods of investigation problems and answering questions in science
- Scientific Inquiry
- The study of matter, energy, and the changes that matter and energy undergo
- Physical Science
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Posing Questions
Making Observations and
Inferences
Developing Hypothesis
Conducting Experiments - Four Skills Used by Scientists
- The term that involves using all five senses to gather information
- Observation
- Facts, figures, and other evidence that you learn through observation
- Data
- Observations usually lead to
- Inferences
- Possible explanation for a set of observations or answer to a scientific question
- Hypothesis
- Factors that can change during an experiment
- Variable
- The variable that a scientist changes
- Independent Variable or Manipulated Variable
- The variable that is expected to change because of the manipulated varialbe
- Dependent Variable or Responding Variable
- What do scientists do to make sure that the changes in the manipulated variable are causing the changes in the responding variable
- Change only one variable at a time
- Investigation in which all variables except one remain the same
- Controlled Experiment
- Why do scientists take measuremens in a standard way
- To make it easier to share data
- The system of measurement scientists use is called
- International System (SI)
- At the end of an experiment, what does the conclusion state
- States whether or not the data supported the hypothesis or proved it false
- What are 2 ways scientists communicate with one another
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Writing Articles and Scientific Journals
Speaking at Meetings - A well tested idea that explains and connects a wide range of observations
- Scientific Theory
- What happens when a scientific theory in contradicted by new evidence
- A Scientist will change or abandon the theory
- What are two reasons that following safe laboratory practices is a good idea
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Protect you and your classmates from injury
Make obervations more accurate - Two main areas that physical science is divided into
- Physics and Chemistry
- A Logical interpretaion based on observations or prior knowledge is an
- Inference
- =A possible explanation for observations that relate to a scientific question
- Hypothesis
- A statement that describes what scientits expect to happen every time under a particular set of conditions
- Scientific Law
- An orderly way of studying a situation
- Scientific Method
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Identification
Collection Data
Hypothesis
Prediction
Test
Couclusion - The 6 Steps
- Equipment, procedure, diagram
- Test Steps
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