chapter one biology review
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Chapter One Biology Review. Name the steps of a scientific experiment. Dr. Herc D= Define problem r .= research H.= Hypothesis e .= experimental setup r .= results c .= conclusion. Why should the problem be worded as a question?. - PowerPoint PPT PresentationTRANSCRIPT
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Chapter One Biology Review
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• Name the steps of a scientific experiment.
![Page 3: Chapter One Biology Review](https://reader035.vdocuments.mx/reader035/viewer/2022062409/5681507d550346895dbe7b11/html5/thumbnails/3.jpg)
• Dr. Herc• D= Define problem• r.= research• H.= Hypothesis• e.= experimental setup• r.= results• c.= conclusion
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• Why should the problem be worded as a question?
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• You are setting out to solve a question that you are curious about.
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• Why is important to be curious in science?
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• Curiosity leads to asking questions.
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• What is inference?
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• The ability to figure problems out before you start because you already have a world of experience in your life up until now.
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• Is observation accurate? Why?
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• No many people see and perceive differently.
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• What is research?
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• Collecting information about the topic of the experiment from other valid sources before you start an experiment.
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• Why is it important to have a repeatable experiment?
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• If the same conclusion is obtained then it becomes a scientific fact.
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• What is a theory?
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• Something that has probably occurred because there is a large body of evidence that shows is probably did.
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• Explain what the two types of variables are.
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• Independent is what is being manipulated.• Dependent is what occurs because of the
independent variable.
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• What is the difference between qualitative and quantitative data?
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• Qualitative is gathered through observation and quantitative is numerical.
• Qualitative can be recorded as a chart.• Quantitative can be recorded as a graph.
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• What is the correct way to record a conclusion?
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• State WHY you got the results that you did.
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• What are the characteristics of living things?
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• 1. Cells• 2. Reproduction• 3. Use energy• 4. Adapt• 5. Grow and develop• 6. Evolve
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• Do all cells have DNA?
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• yes
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• Define growth.
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• The increase of mass in an organism.
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• What are the two types of reproduction?
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• Sexual and asexual• Sexual requires gametes that fuse to form a
zygote.• Asexual spits and divides into two new cells.
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• Why is reproduction in an organism important?
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• It reassures the generation of species.
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• What is the difference between a stimulus and a response?
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• A stimulus is what affects an organism and response is the result.
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• Give an example of an organism that develops.
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• A mealworm turns into a beetle=metamorphosis.
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• What are the four things we will be measuring in the science lab?
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• Length• Mass• Volume • Temperature
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• What is the basic unit of measure of length?
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• meter
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• What is the basic unit of measure of volume?
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• Liter
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• What is the basic unit of measure of mass?
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• Kilogram or gram
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• What is the basic unit of measure of temperature?
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• Celsius
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• How many centimeters are there in the meter stick?
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• 100
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• How many millimeters are there in the meter stick?
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• 1,000
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• How many meters does it take to measure a kilometer?
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• 1,000