EMAIL ADDRESS jtracey@nssd112.org

Mrs. Tracey's email hours 6 am- 8 pm weekdays 

If you are absent from class, many make-ups occur at 7:20 am. This is due to the time it might take to complete the lab. A shorter lab can usually be made up at lunch recess or X block.

REVIEW OF VARIABLES WEDNESDAY MORNING AT 7:20AM

Quiz - Friday, October 28th 

INFERENCES AND VARIABLES 

Review guides due -  

Periods 2,7,8 - due Wednesday, October 26th

Periods 1,5,9- due Thursday, October 27th

REVIEW GUIDE ONE COMPLETED BY MONDAY 
REVIEW GUIDE TWO COMPLETED BY TUESDAY 

 ANSWERS ARE NOW POSTED UNDER COPY OF REVIEW GUIDE - SCROLL BELOW 

Journal Arrow 

Periods 2,7,8 - due Wednesday, October 26th

Periods 1,5,9- due Thursday, October 27th

Journal Arrow  

Variables are essential in science to collect and analyze data. How does the process of “growing up” connect to scientific variables? Explain three variables that CAN CHANGE that impact you growing up and three variables that can BE CHANGED that impact you growing up.  ** Remember can change (nature) and be changed (scientist)

Copies of above homework = please scroll down!

REVIEW GUIDES- ANSWERS POSTED 

REVIEW GUIDES- ANSWERS POSTED BELOW 

REVIEW GUIDE ANSWERS

Answer

1-  INFERENCE

2-OBSERVATION- STATED IN SCENARIO

3-OBSERVATION- STATED IN SCENARIO

4- INFERENCE

5-INFERENCE

6-INFERENCE

7-OBSERVATION- STATED IN SCENARIO

8-OBSERVATION- STATED IN SCENARIO

9-INFERENCE

10-OBSERVATION- STATED IN SCENARIO

11-   MAYBE OR PERHAPS

Picture answers

1- observation

2- inference

3- observation- fossils left / observed

4- inference

5-observation

6- observation

7-inference

Answers

MV= The variable that changes in the experiment ( either by nature- can change scientist- be changed or both )

RV= variable that could be impacted from the change (outcome)

CV= variable that stays the same

Why do scientists use controlled variables?

Scientists want to have as many variables stay the same except for the change (MV) for accurate and valid results.

Answers

Lip Balm situation

MV= lip balms (key clue word - different)

RV= preventing dry chapped lips

CVs= same amount of lip balm, lips, same person, morning and evening lip balm was applied

Clay situation

MV=amount of clay

RV= rate of fall

CVs= shape of clay, amount of water, type of water, graduated cylinder, timer

Bubble gum situation

MV= types of bubble gum

RV= diameter of blown bubble

CVs= same person, same amount of gum, three minutes

Journal Entry Checklist------Cranium Crunch

1-You can Google Doc OR handwrite your entry in your spiral notebook

2-I will only accept them on the due date unless you know that you will be absent when they are due if they are written in your spiral notebook!

3- If you are typing on a Google Doc, please double space

4-Just start writing... you do not have to write out the question and then start writing.... think of this as a diary....

5-Journal Entries through a Google Doc

1. Share Google doc with me through email. jtracey@nssd112.org

2. Add message function when Google doc is shared.  Write an email message to me stating what journal entry you are submitting.

3. Can share with me at any time before the due date and by 2:40 pm on the date it is due.

4. If you submit your journal entry after 2:40 pm , it is considered LATE.

Graphic Organizer to help you start