Due Now: Name the relationship

• The relationship between the amount you practice and your skill level

• The temperature change during a year

• The change in a person’s weight as they travel from the Earth to space.

Topic: Graphing the

Changing EnvironmentSeasons

Day/NightTime

Graphs

Parts of a Graph

• -

X Axis – Independent Variable

-

Origin

Y Axis – Dependent

Variable

-

Setting up a graph

Relationship between hours worked and

pay

Independent Variable – Working HoursDependent Variable – Pay

Graphing – Hours worked & Paycheck

Time Worked (hours)

Pay (dollars)

28

14

21

7

1 2 3 4

When hours worked is low pay is low

When hours worked is high, pay is high

Direct Relationship

Direct Relationship-

Inverse or Indirect Relationship

X Axis

Y Axis

Temperature

Density

- -

Cyclic (Cycle) Relationship

Time (hours)

Tid

es

Low

High

-

Constant – No change-Static

Travel from the Earth to the Moon

Mass

-

Non-Sense Graph

DO NOT PICK – NOT POSSIBLE

Rate of Change

-

Rate of Change = Change in Field Value

Change in Time

Graphing – Hours worked & Paycheck

Time Worked (hours)

Pay (dollars)

28

14

21

7

1 2 3 4

What is the rate of change between these two points?

Example

21 Dollars

3 Hours

7 Dollars/Hours

(28 – 7) Dollars

(4-1) Hours

Example

A B

C

DWhat is the rate of change from point A to point B

Years (1986 = 1)

(3000–1000) Users

(4-2) Years

Example (A-B)

2000 Users

2 Years

1000 Users/Year

Example

A B

C

D

What is the rate of change from point B to point C

Years (1986 = 1)

(14,000–3,000) Users

(7-4) Years

Example (B-C)

11,000 Users

3 Years

3,667 Users/Year

Example (C-D)

• What is the rate of change between Points C and D?

ExtrapolationExtrapolation

X AxisX Axis

Y AxisY Axis

TemperatureTemperature

DensityDensity

--

InterpolationInterpolation

X AxisX Axis

Y AxisY Axis

Temperature Temperature

DensityDensity

--

Equilibrium

• -

• -Dynamic

Dynamic Equilibrium

-

Example – Oceans are constantly evaporating, why is the ocean level remaining constant?

X Axis

Name that Relationship

Y Axis

-

Name that Relationship

X Axis

Y Axis

-

Name the relationship

• The relationship between the amount you practice and your skill level

• The temperature change during a year

• The change in a person’s weight as they travel from the Earth to space.

-

-

-

FQ

Draw a graph showing the relationship between time studying and grade on a

test