Take Out

• Pencil• Catalyst Sheet• Science notebook

Catalyst1. Why is it important to set up a

consistent interval on both the X and Y axes before making a scatterplot?

Page 33

Both axes should be set up

Page 34

Graph

Create your graph for your diameter and circumference data.

Don’t forget labels, a title, and appropriate intervals on both axes

Plot your points

Line of Best Fit

What is a line of best fit?

A line on a scatterplot showing the general direction that a group of points seem to be heading. There should be equal numbers of data points on either side of the line.

Graphical Analysis

Homework

Complete a final Circumference vs Diameter graph on a separate sheet of graph paper, using a pencil and a ruler

Take Out

• Pencil• Catalyst Sheet• Science notebook• Final graph

Catalyst

Copy the 2 graphs drawn above onto your Catalyst sheet, then answer: What is the difference between the two graphs drawn above? What is similar about them? Write down any and all similarities/differences that you can come up with.

Graphical Analysis

Slope

Slope is the steepness of a graph line. It is the ratio of the vertical change (the rise or change in y) to the horizontal change (the run or change in x). The equation for finding slope is m = (y2-y1)/(x2-x1).

Whiteboarding

PurposeHypothesisData Analysis TableGraphGraphical Analysis

Homework

Complete final graphical analysis.

Write a complete rough draft of your Evaluation on page 35 of your science notebook. You may type if you have time.

Final lab report due Friday.

Take Out

• Pencil• Catalyst Sheet• Science notebook, open to rough Evaluation

Catalyst

(35, 120)

(5, 30)

1.

2.

2 188 6

3.

(4, 99)

(12, 99)

Find the slope of each of the three lines given below

Page 97, Graph Shapes

3 even columns2 squares down, horizontal line

Graph Shape Written Relationship Mathematical Model

As X increases, Y increases proportionally.

Y is directly proportional to X.

y = mx + b

Slope diagram:

Matrix: Slope equation: Slope calculation:

Written Relationship:

Math Model:

Whiteboarding

PurposeHypothesisData Analysis TableGraphGraphical Analysis

Homework

Final lab report, with rubric attached to front, due Friday. Lab will not be accepted without a rubric.

All sections need to be typed, except the Apparatus, Raw Data Table, and Data Analysis Table may not be. The Graph should not be made on the computer.

Please use the Model Lab Report as a guide.Please print a new rubric if you have lost yours.

Take Out

• Red pen• Catalyst Sheet – Write “No Catalyst”• Science notebook• Make a pile of lab reports in the center of

your table, rubric on top• Update Table of Contents

Take Out

• Red pen• Catalyst Sheet – Write “No Catalyst”• Science notebook• Make a pile of lab reports in the center of

your table, rubric on top

Notebook Check

• Be completely honest• Don’t tape on inside front cover• When finished, write homework in planner

and tape in reading on page 38• Then, get one whiteboard per table

Whiteboarding

PurposeHypothesisData Analysis TableGraphGraphical Analysis

Homework

Create a Chemistry cover page on page 37Remember, the page should be filled, corner to

corner and include color or you will fill out a Pink Slip on Monday

Read and annotate cartoon on page 38