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Get out ISN we are taking notes Get out ISN we are taking notes over Scientific Method/Lab Write upover Scientific Method/Lab Write up

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Scientific Scientific Method/Lab Method/Lab

Write upWrite up

An An orderlyorderly and and systematicsystematic way of way of solving a problemsolving a problem

1. PROBLEM1. PROBLEM

QUESTIONQUESTION YOU YOU ARE SEEKING AN ARE SEEKING AN ANSWERANSWER FOR FOR

ALWAYS IN THE FORM OF ALWAYS IN THE FORM OF A QUESTION.A QUESTION.

Does the amount of liquid affect the growth Does the amount of liquid affect the growth of plants?of plants?

Does the type of liquid affect the growth of Does the type of liquid affect the growth of plants?plants?

Does the amount of light affect the growth of Does the amount of light affect the growth of plants?plants?

Does the type of soil affect the growth of Does the type of soil affect the growth of plants?plants?

MUST BE ABLE TO ANSWER MUST BE ABLE TO ANSWER THROUGH EXPERIMENTATIONTHROUGH EXPERIMENTATION

-RESEARCH-RESEARCH

COLLECT KNOWN COLLECT KNOWN INFORMATIONINFORMATION

EXAMPLE: RESEARCHEXAMPLE: RESEARCH

READREAD

OBSERVEOBSERVE

-PREDICTION-PREDICTIONA A LOGICAL GUESS LOGICAL GUESS OF AN OF AN

OUTCOME OUTCOME BASED ON BASED ON DATA AND PRIOR DATA AND PRIOR KNOWLEDGEKNOWLEDGE. IF YOU HEAR . IF YOU HEAR THUNDER, YOU COULD THUNDER, YOU COULD PREDICT THAT IT WILL PREDICT THAT IT WILL RAIN.RAIN.

2. HYPOTHESIS2. HYPOTHESIS

EDUCATED GUESSEDUCATED GUESS TO ANSWER THE TO ANSWER THE QUESTIONQUESTION

The more research, the better The more research, the better our hypothesisour hypothesis

Should be written in anShould be written in an “if- then” statement “if- then” statement

I think if the amount of light is changed, I think if the amount of light is changed, then the plant growth will be affected.then the plant growth will be affected.

I think if the type of liquid is varied, then I think if the type of liquid is varied, then the plant growth will change. the plant growth will change.

I think the type of fertilizer affects plant I think the type of fertilizer affects plant growth.growth.

Face Book ActivityFace Book Activity# Post Try to organize hypothesis

3 ---------

5

7

10

3. EXPERIMENT3. EXPERIMENT

PLANNED WAYPLANNED WAY OF OF SOLVINGSOLVING A PROBLEM A PROBLEM

WRITTEN AS STEPSWRITTEN AS STEPSKNOWN AS KNOWN AS PROCEDURE.PROCEDURE.

GIVING GIVING INSTRUCTIONS LABINSTRUCTIONS LAB

Tell me how to make Peanut butter and Tell me how to make Peanut butter and Jelly SandwichJelly Sandwich

GIVING GIVING INSTRUCTIONSINSTRUCTIONS

Quick Write- Using 5 complete Quick Write- Using 5 complete sentences, describe what happened and sentences, describe what happened and write what you learnedwrite what you learned

VARIABLEVARIABLE

FACTORS IN AN FACTORS IN AN EXPERIMENT EXPERIMENT THATTHAT CHANGE CHANGE

1. Independent Variable1. Independent Variable MM- Manipulated- Manipulated II- Independent- Independent XX- X axis- X axis

This is the variable that you are This is the variable that you are purposefully purposefully changing.changing.

YOU MAY ONLY HAVE 1 INDEPENDENT YOU MAY ONLY HAVE 1 INDEPENDENT VARIABLEVARIABLE

2. Dependent Variable2. Dependent Variable

DD- Dependent- Dependent RR- Responding- Responding YY- Y axis- Y axis

This is the variable you are This is the variable you are measuring it will be recorded in measuring it will be recorded in your data!your data!

CONSTANTCONSTANT

FACTORS IN AN FACTORS IN AN EXPERIMENT THAT A EXPERIMENT THAT A SCIENTIST SCIENTIST PURPOSELY KEEPS PURPOSELY KEEPS THE SAME.THE SAME.

CONTROLCONTROL

group that serves as the group that serves as the standard of comparison.standard of comparison.

Treated as the same as the Treated as the same as the samples, but not exposed to the samples, but not exposed to the independent variableindependent variable

Write the procedure to make a peanut butter jelly sandwich. Be sure to write them in steps and be specific!

4.4.DATA/ DATA/ OBSERVATIONSOBSERVATIONSCOMPILE DATACOMPILE DATAINFORMATION INFORMATION COLLECTED FROM COLLECTED FROM EXPERIMENTSEXPERIMENTS

-OBSERVATION-OBSERVATION

DATA THAT YOU DATA THAT YOU COLLECT THAT YOU COLLECT THAT YOU CAN CAN PHYSICALLYPHYSICALLY OBTAIN USING YOUR OBTAIN USING YOUR 5 5 SENSESSENSES..

-INFERENCE-INFERENCE

LOGICAL INTERPRETATION LOGICAL INTERPRETATION BASED ON PRIOR BASED ON PRIOR KNOWLEDGEKNOWLEDGE AND AND EXPERIENCEEXPERIENCE. IF SOMEONE . IF SOMEONE IS WET, YOU COULD INFER IS WET, YOU COULD INFER IT IS RAINING OUTSIDE. IT IS RAINING OUTSIDE.

Observations vs. Observations vs. InferencesInferences

1.1. The plant has roots.The plant has roots.2.2. The plant uses water.The plant uses water.3.3. The plant has leaves.The plant has leaves.4.4. The plant has flowers.The plant has flowers.5.5. The plant grew from a seed.The plant grew from a seed.6.6. The plant is growing in soil.The plant is growing in soil.7.7. The plant is green and The plant is green and

yellow.yellow.8.8. The plant is growing in a The plant is growing in a

pot.pot.

1.1. Young people are Young people are playing basketball.playing basketball.

2.2. The players are in The players are in high school.high school.

3.3. People are watching People are watching the game.the game.

4.4. The score is tied.The score is tied.5.5. The game is almost The game is almost

over.over.6.6. The people are The people are

indoors.indoors.7.7. There are 6 playersThere are 6 players

MYSTERY DiapersMYSTERY Diapers

List 5 observationsList 5 observations (I see, I feel, I smell, etc)(I see, I feel, I smell, etc)

List 5 inferencesList 5 inferences

PRECISIONPRECISION

MEASURING WITH MEASURING WITH ACCURACYACCURACY AND AND EXACTNESS.EXACTNESS. A A MEASUREMENT OF 5.5CM MEASUREMENT OF 5.5CM IS MORE PRECISE THAN IS MORE PRECISE THAN 5CM.5CM.

AVERAGING NUMBERSAVERAGING NUMBERS

MANY TIMES SCIENTISTS MANY TIMES SCIENTISTS WILL HAVE SEVERAL WILL HAVE SEVERAL ANSWERS FOR A PART OF ANSWERS FOR A PART OF AN EXPERIMENT. The best AN EXPERIMENT. The best method of dealing with this method of dealing with this situation, is to average.situation, is to average.

EXAMPLE OF AVERAGINGEXAMPLE OF AVERAGING

ADDADD THE DIFFERENT THE DIFFERENT ANSWERS TO REACH A ANSWERS TO REACH A TOTAL. THEN TOTAL. THEN DIVIDEDIVIDE THE THE TOTAL BY THE NUMBER TOTAL BY THE NUMBER OF DIFFERENT OF DIFFERENT ANSWERS.ANSWERS.

GRAPHGRAPH

A PICTURE OF A PICTURE OF DATA- DATA- NUMERICAL NUMERICAL DATADATA

KINDS OF GRAPHSKINDS OF GRAPHS

1. CIRCLE GRAPH1. CIRCLE GRAPH

AA. DIVIDED CIRCLE. DIVIDED CIRCLE

BB. SHOWS HOW A PART . SHOWS HOW A PART OF SOMETHING RELATES OF SOMETHING RELATES TO THE WHOLE VALUE.TO THE WHOLE VALUE.

BAR GRAPHBAR GRAPH HELPS YOU COMPARE THINGS HELPS YOU COMPARE THINGS

SUCH AS – SUCH AS –

AMOUNTS or AMOUNTS or QUANTITIESQUANTITIES

LINE GRAPHLINE GRAPH AA. LETS YOU . LETS YOU

PLOT SEVERAL PLOT SEVERAL DIFFERENT DIFFERENT FORMS OF FORMS OF DATA.DATA.

BB. HELPS YOU . HELPS YOU SEE PATTERNS SEE PATTERNS OR TRENDS.OR TRENDS.

TAILS

Title: Includes both variables

Axis: IV on X-axis and DV on Y-axis

Interval: The interval (4) is appropriate for this scale.

Label: Both axes are labeled.

Scale: Min and max values are appropriate.

Plant Growth

time (days) height (cm)

1 15

7 26

14 33

21 47

24 54

30 60

GRAPHING DEDUCTIONSGRAPHING DEDUCTIONS

Title (5)Title (5) X & Y title (5)X & Y title (5) X label/ scale (5)X label/ scale (5) Y Label/ scale (5)Y Label/ scale (5) Start at zero (5)Start at zero (5) Straight lines (5)Straight lines (5) # increments (5)# increments (5) IV/ DV (20)IV/ DV (20) Plot (20)Plot (20)

5. CONCLUSION5. CONCLUSION

ANSWER ANSWER TO THE TO THE PROBLEMPROBLEM

THEORYTHEORY

MOST LOGICAL MOST LOGICAL EXPLANATION EXPLANATION FOR EVENTS FOR EVENTS THAT HAPPENEDTHAT HAPPENED

LAWLAWA THEORY THAT HAS A THEORY THAT HAS

BEEN BEEN TESTEDTESTED MANY MANY TIMES AND IS TIMES AND IS GENERALLY ACCEPTED GENERALLY ACCEPTED AS AS TRUE.TRUE.

REPLAY ConclusionsREPLAY Conclusions R – restate the problem questionR – restate the problem question E – explain what you did to testE – explain what you did to test P – pull in the dataP – pull in the data L – look for patternsL – look for patterns A – answer the problem questionA – answer the problem question Y – yes or no to hypothesis Y – yes or no to hypothesis

(hypothesis correct? Why or why (hypothesis correct? Why or why not?)not?)