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Unit 1 - Observation and Inferences

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Heath Robinson

on 27 March 2012

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Transcript of Unit 1 - Observation and Inferences

Observations and &Inferences What is an observation? Information you gather by using your five senses What are the five sense? Observations must be based on FACTS They cannot be based on opinions What is an Inference? Inference-
a possible explanation for an observation They are educated guesses you make about objects or events based on your observations Inferences do not have to be based on facts, but they must be logical Logical just means that what is being said makes sense Observation or Inference? Dwight Howard Nate Robinson Dwight Howard is taller
than Nate Robinson This man is wearing rain gear,
so it must be raining! It smells like chocolate chip
cookies. I took a bite and it tasted
like chocolate chip cookies. Justin Bieber makes music
for young people.
All young people like Justin
Bieber. Observation Inference Inference Observation Two ways to use our senses to collect information Quantitative observation

measurable and countable Do you see the word "quantity" inside the word


Quantitative Quantity means the amount of something.
Example: I have 5 pieces of gum.
My quantity is 5. Think of Quantitative as something
with a number attached to it. Examples of Quantitative observations:

3 meters

6 marbles

50 Kilograms

30 degrees Celcius Qualitative observation

describable, not measurable Do you see the word "quality" in the word


Qualitative Think of quality as the characteristic
or feature that can be used to
describe an object.

Example: That is a red dog.
The dog's quality is that he is red. Think of Qualitative as something
that describes something Examples of Qualitative observations:

Blue flower

Sour candy

Smells like Barbeque

Tastes like chicken Using Qualitative and Quantitative observations
is very important when describing scientific events!
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