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Scientific Method. Problem. Always in the form of a question Example: Do plants need sunlight to survive?. Research - Collect Information. Read books on PHOTOSYNTHESIS Search the Internet Read magazines Asks Experts. Hypothesis – an educated guess. Possible answer to the problem
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Scientific Method
Problem • Always in the form of a question • Example: Do plants need sunlight to survive?
Research - Collect Information • Read books on PHOTOSYNTHESIS • Search the Internet • Read magazines • Asks Experts
Hypothesis –an educated guess • Possible answer to the problem • Complete sentence • Example: Yes, plants need sunlight to produce food to survive.
Experiment • Test your hypothesis • Gather materials • List every step you take • Make observations
Materials Two pea plants Water Closet Sunlight Soil Put one pea plant in each pot with 2 cups of soil Place one plant in the closet Place one plant in the direct sunlight Give both plants half a cup of water daily Observe plant growth for two weeks Experiment-Example
Record Results • Write a Report • Draw Graph • Make a chart • Draw Picture
Growing Plants Inches
Conclusion • Tell whether your hypothesis was correct or incorrect • Example: My hypothesis was correct. Plants need sunlight to survive. The data shows that at the end of 5 days the plant in the sunlight grew 50% taller than the one without sunlight.