Observations and Inferences Using your senses and making sense of your observations.

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Observations and Inferences Using your senses and making sense of your observations

What are Observations? Observations are made using your senses Are made during an experiment Need to be recorded Observations are FACTUAL

What senses do you use? Sight Sight What do you see? What do you see? Sound Sound What do you hear? What do you hear? Smell Smell What are you smelling? What are you smelling? Taste Taste What does it taste like? What does it taste like? Touch Touch How does it feel? How does it feel?

Examples of Observations The grass is green The grass is green The ice took 10 minutes to melt The ice took 10 minutes to melt Water is wet Water is wet The apple turned brown The apple turned brown There are bubbles in the liquid There are bubbles in the liquid The temperature increased The temperature increased

Qualitative vs. Quantitative Observations Qualitative use senses to describe something. Qualitative use senses to describe something. Quantitative observations use NUMBERS and or measurements Quantitative observations use NUMBERS and or measurements The box is 10 cm. long The box is 10 cm. long There are 12 trees in the picture There are 12 trees in the picture It took the plant 3 months to sprout It took the plant 3 months to sprout

Qualitative vs. Quantitative Observations A Qualitative observation is remarking on the quality of something, as opposed to its quantity. A Qualitative observation is remarking on the quality of something, as opposed to its quantity. For example, saying a cloud is grey is a qualitative observation For example, saying a cloud is grey is a qualitative observation saying that you can see three clouds on the horizon is a quantitative observation. saying that you can see three clouds on the horizon is a quantitative observation.

What are Inferences? Are your OPINION Are your OPINION Are based on your observations Are based on your observations Are NOT facts Are NOT facts

Examples of Inferences Dogs are cute Dogs are cute The cat is soft The cat is soft Math is the best subject Math is the best subject Everyone likes pizza Everyone likes pizza Spiders are scary Spiders are scary

What are Qualitative Observations? Observations that describe what you are observing Observations that describe what you are observing Uses adjectives (descriptive words) Uses adjectives (descriptive words) Gives you some description Gives you some description Helps you visualize what you are observing Helps you visualize what you are observing

Qualitative Observations The house is green The house is green The tree is tall The tree is tall The temperature is hot The temperature is hot The ball is round The ball is round

What are Quantitative Observations? Observations that have a number with it Observations that have a number with it Gives you specific details Gives you specific details

Quantitative Observations There are three chairs The temperature was 90o The house had two levels The girl had 20 pairs of shoes

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