Do NOW: Do NOW: 9/2/20159/2/2015

1.1. Turn in LAB SAFETY CONTRACTS Turn in LAB SAFETY CONTRACTS ((BACK PAGE ONLYBACK PAGE ONLY) to the basket on ) to the basket on the silver cart. the silver cart.

2.2. Add Lab Safety RULES (front page) to Add Lab Safety RULES (front page) to your notebook P.6your notebook P.6

3.3. Clear off desk of all materials to Clear off desk of all materials to prepare for Ms. Oechslin’s intro prepare for Ms. Oechslin’s intro presentation. presentation.

1.1. Turn in LAB SAFETY CONTRACTS Turn in LAB SAFETY CONTRACTS ((BACK PAGE ONLYBACK PAGE ONLY) to the basket on ) to the basket on the silver cart. the silver cart.

2.2. Add Lab Safety RULES (front page) to Add Lab Safety RULES (front page) to your notebook P.6your notebook P.6

3.3. Clear off desk of all materials to Clear off desk of all materials to prepare for Ms. Oechslin’s intro prepare for Ms. Oechslin’s intro presentation. presentation.

P.28P.28 9/3/159/3/15In ?:In ?:►What is an observation? Give What is an observation? Give

examples to support your explanation.examples to support your explanation.

Observations Observations Versus Versus

InferencesInferences

What do you see?

Describe what you see. Describe what you see.

ObservationsObservations►Use all 5 sensesUse all 5 senses►A noting and recording of….A noting and recording of….

FACTS!!!FACTS!!!►QuantitativeQuantitative

Example: Example: There is one door in the room.There is one door in the room.►QualitativeQualitative

Example: Example: The bulletin board is covered in The bulletin board is covered in space fabric.space fabric.

What observations can we What observations can we make about this photo?make about this photo?

InferencesInferences►Cannot be observed.Cannot be observed.►Logical Logical conclusion based on conclusion based on

something already known or something already known or believed to be truebelieved to be true

►Uses observations.Uses observations.

Example:Example: She is wearing a coat, it must be She is wearing a coat, it must be cold outside.cold outside.

Let’s Practice…Let’s Practice…

Picture #1

Observations?Inferences?

Picture #2Picture #2

Picture #3Picture #3

Picture #4Picture #4

Note the DifferencesNote the Differences

►During experiments, scientists record During experiments, scientists record observations NOT inferencesobservations NOT inferences

► Inferences are Inferences are used in the used in the conclusionconclusion in your lab report.in your lab report.

Ticket out the doorTicket out the door

►Make 3 Make 3 observations about observations about this photothis photo

►Make 1 (one) Make 1 (one) inference about this inference about this photo. photo.