test tomorrow study notes study review guide study laboratory equipment identification
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How to write a hypothesis! What are you going to test? (ASK A QUESTION) What is your IV? (what are you changing) What is your DV? (how are you measuring results) What do you think will happen? (testable statement) PUT IT ALL TOGETHER! If (write independent variable) is related to (write your dependent variable), then (describe what you think will happen).TRANSCRIPT
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Test Tomorrow
• Study notes• Study review guide• Study Laboratory Equipment Identification
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Hypothesis and Review
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How to write a hypothesis!
• What are you going to test? (ASK A QUESTION)• What is your IV? (what are you changing)• What is your DV? (how are you measuring results)• What do you think will happen? (testable
statement)• PUT IT ALL TOGETHER!• If (write independent variable) is related to
(write your dependent variable), then (describe what you think will happen).
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Trasketball
• Five Teams• I will ask a question (everyone should think of the
answer)• One group gets an opportunity to answer the
question• If they don’t get it, the next group will go until
the answer is correct.• You will get one point for a correct answer and an
opportunity to shoot for bonus points
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What is science?
• Science- a system of knowledge based on facts or principles
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What is the Independent Variable?• Will a freshwater fish survive in salt water?• I will place 10 freshwater fish in salt water and
place 10 freshwater fish in freshwater and see how many fish survive in those tanks. I think more freshwater fish will survive in freshwater.
IV: type of water/adding salt to waterIndependent Variable: The part of the
experiment that is manipulated or changed by the scientist or person performing the experiment.
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What is the Dependent Variable?
• Will a freshwater fish survive in salt water?• I will place 10 freshwater fish in salt water and
place 10 freshwater fish in freshwater and see how many fish survive in those tanks. I think more freshwater fish will survive in freshwater.
DV: Number of Fish that SurviveDependent Variable = The part of the experiment that is affected by the independent variable.
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What is the Experimental Group?
• Will a freshwater fish survive in salt water?• I will place 10 freshwater fish in salt water and
place 10 freshwater fish in freshwater and see how many fish survive in those tanks. I think more freshwater fish will survive in freshwater.
Experimental: Fish in Salt Water TankGroup that the independent variable is applied to.
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What is the Control Group?
• Will a freshwater fish survive in salt water?• I will place 10 freshwater fish in salt water and
place 10 freshwater fish in freshwater and see how many fish survive in those tanks. I think more freshwater fish will survive in freshwater.
Control: Fish in Freshwater TankControl = A part of the experiment that is not being tested and is used for comparison.
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What is the formalized hypothesis?
• Will a freshwater fish survive in salt water?• I will place 10 freshwater fish in salt water and
place 10 freshwater fish in freshwater and see how many fish survive in those tanks. I think more freshwater fish will survive in freshwater.
If the number of freshwater fish that survive is related to the amount of salt in the tank, then more freshwater fish will survive if there is less salt in the water.
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What are the 6 steps of the
scientific method?
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Why is no experiment a failure?
• We are always learning from their experiment even if we didn’t get the results we wanted.
• Go back and make a new hypothesis if your old one was incorrect.
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What is a theory?
• A scientific theory explanation of the natural world, based on a body of facts that have been repeatedly confirmed through scientific method
• Example:• Biology: cell theory, theory of evolution• Physics: Big Bang theory• Earth: plate tectonics theory
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How is a law different?
• A scientific law is a statement based on repeated experimental observation that describes some aspect of the world. A scientific law always applies under the same conditions, and implies that there is a relationship
• Sun sets in the west• Law of Gravity
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What is a microscope?
• Used to view small specimens
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What is a Bunsen burner?
• Use to heat objects in a lab
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What is a Petri dish?
• Used to grow bacteria in or used as a biological dish
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What is this?
• Beaker
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What is this?
• Thermometer
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What is a branch of biological science?
–Botany- study of plants– Zoology- study of animals– Ecology- study of nature–Medicine and Agriculture
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What is a branch of physical science?
–Chemistry- study of matter and changes–Physics- study of forces and energy
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What is a branch of earth science?
–Geology- study of the history of the Earth–Meteorology- study of the atmosphere and
weather
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What is technology?
• Technology- the application of science to meet human needs
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Final Question: What # of points does your group want to risk?
• 1. Ask a Question: Do plants grow better in the light or the dark?
• List the remaining steps of the scientific method and describe how you would set up and carry out the experiment.
• 2. • 3.• 4.• 5.• 6.
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Final Question: What # of points does your group want to risk?
• 1. Ask a Question: Do plants grow better in the light or the dark? • List the remaining steps of the scientific method and describe how you
would set up and carry out the experiment. • 2. Background Research about plants• 3. Hypothesis : If plant growth is related to the presence of light then
plants will grow more when exposed to more light.• 4.Experiment:• IV: amount of light DV: Amount of Growth in cm• Place 10 plants in the dark (experimental group) and place 10 plants in
the light (control group). Measure the growth in 10 days.• 5. Data Analysis: Compare the growth of the plants by finding average
and graphing data. Conclusion: (need data)
• 6. Share and Report Data