Making Observations and Inferences

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Presentation transcript:

Making Observations and Inferences

Observations Observations: We use our senses to gather information about the world around us. There are two types of observations.

Qualitative Qualitative observation: (quality) Usually made with our senses. Color, shape, feel, taste, sound. Examples: Candy is wearing a green shirt. The car is shiny. The dog’s fur is soft.

Quantitative Quantitative observation: (quantity) How many. Will always have a number. Based on exact measurement. Examples: The room is 8 meters across. Sarah is 141-cm tall. A bag of Starburst weighs 16 ounces.

Inferences Inference: A logical interpretation of an event that is based on observations and prior knowledge. What does this mean in 7th grade terms?

Making Inferences You are at the counter in the office to get a bus pass signed. You see a student leave the principal’s office crying and upset. We could make an inference as to why the student is upset. Could be in trouble (demerit, seeing Dr. P) Family problems at home (sick, accident) Student not feeling well Student has poor grades (failing)

Observation VS Inferences Observation – Based on the five senses: Sight Smell Touch Taste Hearing Inference – Based on prior knowledge or opinion

Observation vs Inference EXAMPLE #1 List 2 Observation List 2 Inferences

Observation vs Inference EXAMPLE #2 List 2 Observation List 2 Inferences

Observation vs Inference EXAMPLE #3 List 2 Observations List 2 Inferences

Resources: http://teachers.henrico.k12.va.us/highlandsprings/meade_j/Units/Unit%201/Unit%201,%20Part%201%20Notes.PPT#289,43,Experimental Design http://www.cobb.k12.ga.us/~dickerson/sci%20method.ppt#256,1,Scientific Method