Day 5 Science 7Day 5 Science 7

Goals: Goals: Continue process of observing, Continue process of observing,

inferring and predicting.inferring and predicting. How do we sort data to help us How do we sort data to help us

understand what it means? understand what it means? (Graphing)(Graphing)

Journal Entry – Journal Entry – Observation and InferenceObservation and Inference

Answer the following questions in your journal – Answer the following questions in your journal – refer to your notes if you need torefer to your notes if you need to

1.1. What is the difference between an What is the difference between an observation and an inference?observation and an inference?

2.2. Give an example of a QUANTITATIVE Give an example of a QUANTITATIVE observationobservation

3.3. An scientist observes that 14 Canadian An scientist observes that 14 Canadian geese are flying in formation heading South.geese are flying in formation heading South.

What part of this is a quantitative observation?What part of this is a quantitative observation? What is a possible inference from this data?What is a possible inference from this data? What is a possible PREDICTION based on this What is a possible PREDICTION based on this

data?data?

Plan for the DayPlan for the Day Journal Entry while attendance is takenJournal Entry while attendance is taken Quick Formative Assessment ?? (15 Quick Formative Assessment ?? (15

minutes) - Can they sort out vocab and minutes) - Can they sort out vocab and make inferrence / predictionmake inferrence / prediction

Understand need for graphing dataUnderstand need for graphing data Graphing – SALTPAD explained, distributedGraphing – SALTPAD explained, distributed

Why?Why? How? Types and usageHow? Types and usage Practice – Collect Data and then share data setPractice – Collect Data and then share data set Graph Start in class – Finish for HomeworkGraph Start in class – Finish for Homework

““CHECKS” – What’s the storyCHECKS” – What’s the story Your groups will work with this next Your groups will work with this next

class period class period Come with your timeline and Come with your timeline and

evidence based Story on Wednesdayevidence based Story on Wednesday

Assessment TimeAssessment Time Show me what you know…Show me what you know…

Break TimeBreak Time 2 minutes in hall2 minutes in hall Respectful time to stretch, use Respectful time to stretch, use

restrooms or get a drinkrestrooms or get a drink

0102030405060708090

1st Qtr 2nd Qtr 3rd Qtr 4th Qtr

What is good? What is not so What is good? What is not so good? Discuss what every good good? Discuss what every good

graph needsgraph needs

Handouts Handouts Each person needs 3 handouts to glue Each person needs 3 handouts to glue

stick into the back of your Journal – Pages stick into the back of your Journal – Pages just BEFORE your Glossaryjust BEFORE your Glossary

SALTPAD -- Guide to ensure quality graphsSALTPAD -- Guide to ensure quality graphs Types of Graphs – How to know which type of Types of Graphs – How to know which type of

graph is bestgraph is best RECALL – Format for a lab reportRECALL – Format for a lab report

These are permanent tools to help These are permanent tools to help throughout the yearthroughout the year

SALTPADSALTPAD

S = Spacing S = Spacing Equal intervals? Equal intervals? A = Axis ( Independent Variable on x axis) A = Axis ( Independent Variable on x axis) L = Labels with units of measurementL = Labels with units of measurement T = DESCRIPTIVE TitleT = DESCRIPTIVE Title P = Points Plotted AccuratelyP = Points Plotted Accurately A = Analysis __ SENTENCE(S) describing the A = Analysis __ SENTENCE(S) describing the

TrendTrend D = Data Table Included?D = Data Table Included?

Analysis – What does this quality Analysis – What does this quality graph tell us?graph tell us?

What What does this does this graph graph show show you? you? What What can you can you infer infer from this from this data?data?

Total Time to Complete Race

0

5

10

15

20

25

30

1st Lap 2nd Lap 3rd Lap 4th Lap

Laps Completed

Tim

e to

Com

plet

e (s

econ

ds)

Laps Joey

Claire

Types of Graphs Types of Graphs Focus discussion on Scatter Plot Focus discussion on Scatter Plot

This is what they will be using todayThis is what they will be using today

Mini Experiment - Mini Experiment - Write Question and Your Write Question and Your

Hypothesis in JournalHypothesis in JournalQuestion: Question: Does the Does the height of a personheight of a person affect the affect the length of length of

their arm spantheir arm span??

Hypothesis: An educated guess/answer to this Hypothesis: An educated guess/answer to this question.question.

Write your hypothesis down now in Journal – There Write your hypothesis down now in Journal – There is no right or wrong hypothesis - -You will test itis no right or wrong hypothesis - -You will test it

Example: “The arm span of humans is longer Example: “The arm span of humans is longer than their height”than their height”

Background InformationBackground Information Arm span = tip of finger to tip of other Arm span = tip of finger to tip of other

finger with their arms straight outfinger with their arms straight out 1 Meter = 100 centimeters1 Meter = 100 centimeters

How will we do this?How will we do this? Materials Needed? Materials Needed?

Is it important that we do things the Is it important that we do things the same?same?

What are we going to do? What are we going to do?

How will we do this?How will we do this? Materials Needed? Materials Needed?

Everyone participatesEveryone participates Meter Stick – Tool not a toy -- Meter Stick – Tool not a toy -- Data table to write in – copy in journalData table to write in – copy in journal

Is it important that we do things the same?Is it important that we do things the same? What do we agree to do the same?What do we agree to do the same? No shoes, stand along wall to measure heightNo shoes, stand along wall to measure height Be aware of personal space and individuality.Be aware of personal space and individuality.

At your table, collect information for each person, At your table, collect information for each person, when done, share your information with others when done, share your information with others so you have at least 8 data pointsso you have at least 8 data points

Data / Observations to CollectData / Observations to Collect

NameName Height (cm)Height (cm) Armspan Armspan (cm)(cm)

1.1. 22 33 44 55 66 77 88

Data / Observations to CollectData / Observations to CollectChoose a variety of shorter and taller peopleChoose a variety of shorter and taller people

NameName Height (cm)Height (cm) Armspan Armspan (cm)(cm)

88

Use SALTPAD to help make a Use SALTPAD to help make a SCATTER PLOT of this Data SCATTER PLOT of this Data

Put Person’s Height on X-Axis (independent variable)Put Person’s Height on X-Axis (independent variable) Put Person’s Arm Span on Y- Axis (dependent Put Person’s Arm Span on Y- Axis (dependent

variable)variable)

Follow the guidelines of SALTPAD to put together your Follow the guidelines of SALTPAD to put together your best effort GRAPH for next classbest effort GRAPH for next class

Remember: “A” is for analysis.. After you make your graph Remember: “A” is for analysis.. After you make your graph

write several sentences that EXPLAIN what the information write several sentences that EXPLAIN what the information tells you about our question. Was your hypothesis correct?tells you about our question. Was your hypothesis correct?

““D” stands for Data – Attach your data table to your graphD” stands for Data – Attach your data table to your graph

ExampleExample

Work Time until end of periodWork Time until end of period All lab materials picked upAll lab materials picked up Share DataShare Data Make Graph – Graph paper available Make Graph – Graph paper available

from front deskfrom front desk Rulers at tables and in “General Rulers at tables and in “General

Supplies” cabinetSupplies” cabinet Teacher will assist others to make Teacher will assist others to make

sure everyone is on right tracksure everyone is on right track See you Wednesday!See you Wednesday!