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Observation & Inference Observations • Any information collected with the senses. • Quantitative – measureable or countable, includes numbers » » » » 3 meters long 4 marbles 50 kilograms 35 degrees Celsius • Qualitative – description with words » red flowers » Round leaves » Rough texture Inference • Conclusions based on observations. Practice: • Observations: • I hear people screaming • I smell cotton candy, popcorn, and hamburgers • I see a lot of people • Inference = ? Look at these two sets of animal tracks. List 2 OBSERVATIONS Make an INFERENCE Now what do you think? Make 2 OBSERVATIONS Make an INFERENCE Now what do you think? Make 2 OBSERVATIONS Make an INFERENCE Be able to tell the observation from the inference. 1. The leaves are brown with 15 white spots, the plant may be sick. 1. The temperature is affecting the eggs because only 5 of the 20 eggs hatched. 1. The fish is swimming upside down, it may be dying. ** We will need both in science.