the science of biology in agriculture. science n a process through which nature is studied,...
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THE SCIENCE OF BIOLOGY IN AGRICULTURE
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Science A process through which nature
is studied, discovered, and understood.
Biology is the study of life.
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Processes of Science Observing Hypothesizing Experimenting Measuring Collecting data Organizing data Analyzing data Communicating
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Terms and Definitions
Hypothesis – An educated guess – a testable statement–Example: The sidewalk is wet
because the sprinklers came on
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What are the steps of the scientific method?
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Scientific Method
1. Stating a problem
Something is considered a problem if its solution is not obvious. Some crucial information is missing. Solving the problem involves finding this missing information.
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Scientific Method
2. Collecting information on the problem
The more you know about the problem the more precisely you can state the problem and the less time you will waste looking for solutions.
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Scientific Method
3. Making a hypothesis–a. Use what you know about the
problem to predict a solution and try it.
–b. Look for patterns that will help you make predictions about the problem.
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Scientific Method
3. Making a hypothesis– c. Make a model, or a
representation, of what you’re working with.
–d. Break the problem down into smaller, simpler problems.
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Scientific Method
4. Performing an experiment
Design an experiment that will provide a means for you to make a solid conclusion about your hypothesis.
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Scientific Method
5. Make a conclusion
A solid conclusion is related to the hypothesis and based on the results of a well designed experiment.
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Experimental Design Concepts
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Experimental Design Concepts
A science experiment is designed so that only one variable is being tested at a time.
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Experimental Design Concepts
Independent variable (IV) – What is being tested.
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Experimental Design Concepts
Dependent variable (DV) – What is being changed.
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Experimental Design Concepts
Constant (C) – What is kept the same.
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Experimental Design Concepts
Trials (T) – How many times you do the experiment
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What makes a good experiment
Repeated trials One variable