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# 6.1 Scientific Method

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This is a middle school grade 6 lesson on the scientific method

This is a middle school grade 6 lesson on the scientific method

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• 1. SCIENCE PROCESS SKILLS PP. 4-8 ALSO P. 646-647 REVIEW THESE TERMS HYPOTHESIS OBSERVATIONS DATA INDEPENDENT VARIABLE (0R MANIPULATED) DEPENDENT VARIABLE (OR RESPONDING) CONSTANT INFERENCES
• 2. HYPOTHESIS
• AN EDUCATED GUESS OR THE PREDICTION THAT IS BASED ON YOUR OBSERVATION
• CAUSE AND EFFECT RELATIONSHIPS
• A SPECIAL PREDICTION THAT FORECASTS HOW THE INDEPENDENT VARIABLE WILL AFFECT THE DEPENDENT VARIABLE
• IF, THEN, STATEMENT
• 3. YOU TRY IT!
• WRITE A HYPOTHESIS FOR THE FOLLOWING EXPERIMENT:
• JOHN WANTS TO KNOW IF THE SIZE OF THE PAPER AIRPLANE’S WINGS WILL CHANGE THE DISTANCE THAT THE PLANE WILL FLY.
• 4. First, identify the independent variable.
• What is the independent variable:
• The size of the paper airplane’s wings
• Now identify the dependent variable:
• The distance the plane will fly is the dependent
• variable.
• 5. What is your hypothesis?
• If the size of the paper airplane’s wings increase, then the distance the plane flies will increase.
• 6. WHAT DO I ALREADY KNOW?
• HAVE STUDENTS COMPLETE THE WARM UP SCIENTIFIC INQUIRY
• PART 1
• PUT THE STEPS OF THE SCIENTIFIC METHOD IN PROPER ORDER.
• PART 2
• MATCH THE FOLLOWING TERMS IN THE CORRECT ORDER.
• 7. MATCH Reread pp 4-8
• HYPOTHESIS
• CONTROL
• VARIABLE
• EXPERMENT
• CONCLUSION
• THEORY
• DATA
• 8. INFERENCES
• An inference is an explanation for what we have observed. It explains what might be happening.
• An inference must be logical.
• 9. What inference can you make?
• You come into the classroom and you observe someone’s books are on your desk.
• What inference can you make?
• 10. Variables
• The part that changes in an experiment is called a variable .
• Independent variable is what the scientist or you change in an experiment.
• Dependent variable is the difference the scientist or you measure after making the change.
• A Constant variable is what the scientist make sure stays the same so the experiment is a fair test.
• 11. You Try It!
• Jan counted the leaves on each of three plants. Then she put one plant under a blue light bulb, another plant under a yellow light bulb, and a third plant under a white light bulb. She kept all three lights on from 6:00 a.m. to 9:00 p.m. After 2 months, she counted how many leaves each plant had.
• Name the independent variable, the dependent variable and the constant
• Independent Variable: the color of the light
• Dependent Variable: the number of leaves on the plant.
• Constants: could be the kind of plants, the soil in the plant, the amount of water, the pot size, temperature, the wattage of the light bulb, or
• the distance the light is from the plant.
• 13. HERE IS AN EXPERIMENT TO TRY FOLLOW THE PROCEDURE MATERIALS:
• TRY THIS WITH YOUR CLASSMATE OR PARTNER
• OBTAIN TWO COINS, A PENNY AND A QUARTER.
• A CONTAINER OF WATER ( A BEAKER)
• TWO EYE DROPPERS
• 14. Write a Hypothesis about your science experiment with the penny and quarter.
• Hypothesis:
• What is the independent variable?
• What is the dependent variable?
• 15.
• 16. Warm-up
• Read the article on Methane Found in Mars
• Atmosphere