Scientific observations
Download
1 / 14

Scientific Observations - PowerPoint PPT Presentation


  • 175 Views
  • Uploaded on

Scientific Observations. “Data”. Observations. One of the most important things we do as scientists is gather information about the world around us We gather information by OBSERVING We gather information by seeing, hearing, tasting, touching and smelling.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' Scientific Observations' - beyla


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

Observations
Observations

  • One of the most important things we do as scientists is gather information about the world around us

  • We gather information by OBSERVING

  • We gather information by seeing, hearing, tasting, touching and smelling.

  • The Process of observation is noticing things and attending to details


Some observations may be difficult
Some observations may be difficult

  • It’s too small

  • It’s too far away

  • It’s hidden away



Observation tools
Observation Tools

  • - microscope

    - telescope

    - magnifying glasses

    - binoculars

  • Can you think of any others?


Observation tools1
Observation Tools

  • Some tools help us observe complicated things

    - MRI

    - X-ray

    - Stethoscope


Professionals use observations
Professionals Use Observations

  • Doctors rely on observations to help diagnose a patient’s illness

  • Engineers rely on observations to design safe building structures and roadways

  • Teachers rely on observations to develop lesson plans

  • Scientists rely on observations to determine if the hypothesis they are testing is correct


Classification of observations
Classification of Observations

Name - noun

  • Balloon

  • Car

  • Cloud

  • Pencil

  • Lemon

  • Sugar

  • Skunk


Classification of observations1
Classification of Observations

Property – adjective, describes

  • Red

  • Shiny

  • Fluffy

  • Sharp

  • Sour

  • Sweet

  • Smelly


If the observation is a property it can be either qualitative or quantitative
If the Observation is a Property it can be either qualitative or quantitative

Qualitative – describes without using numbers to measure

  • Color

  • Odor

  • Texture

  • Shape


Or quantitative
Or Quantitative qualitative or quantitative

Quantitative – describes by using numbers to measure

  • 5/8 inch

  • 24 cm

  • 49 miles

  • 100 pennies

  • 12 dollars

  • 99%


Direct observations are
Direct Observations are qualitative or quantitative

  • Names

    AND

  • Properties

    - qualitative

    - quantitative

  • You only use your senses


Indirect observation
Indirect Observation qualitative or quantitative

  • Gather information about the properties of an object without actually knowing for sure


Indirect observations
Indirect observations qualitative or quantitative

  • Lead toinferences

  • An inference is an educated guess based on past experience or knowledge – something that you know

  • Why is the elephant in the leaves?

  • Your educated guess is your inference


ad