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Observations and Inferences

Observations and Inferences. Observations. Something you experience using your 5 senses (qualitative) or something you use a tool to measure (quantitative). The 5 Senses/ Qualitative Observations 1. Sight 2. Hearing 3. Touch 4. Smell 5. Taste. Measurement/ Quantitative Observations

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Observations and Inferences

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  1. Observations and Inferences

  2. Observations Something you experience using your 5 senses (qualitative) or something you use a tool to measure (quantitative) The 5 Senses/ Qualitative Observations 1. Sight 2. Hearing 3. Touch 4. Smell 5. Taste Measurement/ Quantitative Observations 1. Number….How many? 2. Temperature….How much kinetic energy? 3. Length….How long, wide, high? 4. Mass….How much matter? 5. Volume….How much space does it take up? 6. Density….How much matter per unit of volume? (mass /volume) and more….

  3. Examples of Observations • The sky looks blue. • You hear thunder. • The rock feels rough. • The cookies smell like chocolate. • Ocean water tastes salty. • There are 5 dolphins. • The air temperature is 22 °C. • The length of the ruler is 30 cm. • The mass of the paper clip is 1.0 g. • The volume of the cube is 27.0 cm3 (or mL). • The density of water is 1.0 g/mL (or g/cm3).

  4. Classifying Objects Scientists classify/sort objects into related groups based on their observations.

  5. Inference • A logical conclusion based on your observations What inferences can you make based on these observations? • You see lights flashing and hear a loud siren. • You see dark gray clouds moving in and it starts getting cold out. • You feel the ground is wet, and you see dark clouds.

  6. You See One Almost Every Day • Try to draw the “heads” side of a penny. • NO, you CAN’T LOOK at a penny. • Ok… Go!

  7. How Did You Do??? Lincoln facing right bowtie year

  8. Make observations & inferences about the images on the following slides.

  9. Image 1

  10. Image 2

  11. Image 3

  12. Image 4

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