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Scientific_Method_Sixth grade.notebook

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October 01, 2012

Sep 181:15 PM Sep 206:19 AM

Sep 206:19 AM Sep 206:19 AM

______________________________________________refers to the diverse ways in

which scientistsstudy the natural world and

propose explanationsbased on the evidence they

gather.

Sep 206:19 AM

Steps of the Scientific Method1. ______________: Develop a question or problem that can

be solved through experimentation. Must be ______________ – not

______________.

Sep 206:19 AM

Testable vs. Researchable 1.

2. How does the temperature of a tennis ball affect the height of its bounce? ___________________

3.

4. 5.

6. 7.

8.

9.

10.

Does a metal baseball bat vibrate more than a wooden one? ___________________

How will the time spent chewing bubble gum affect its bubbles' maximum size? ___________________

Which type of bread turns moldy first: store bought or bakery bread? ___________________

Which frozen dessert melts the slowest: ice cream, frozen yogurt, or sorbet? ___________________

Does the surface of a tennis court affect the height that a tennis ball bounces? ___________________

Should parents bribe children, and if so, what are appropriate bribes? ___________________What are the parts of an animal cell and their functions? ____________

In a survey of 6th graders, 74% felt their science teachers were doing a great job.____________

Environmental conditions affect growth ____________


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October 01, 2012

Sep 202:47 PM

Review

Sep 192:32 PM

Problem/Question stated as a question ? Come from observations.

Qualitative: use the five senses to describe

Quantitative: Use numbers to describe

Dissect the Problem to find your variables.

Independent variable: What might cause a change?

Dependent Variable: What might change because of the independent variable?

Control Variable: It is the variable that stays the same. It is not changed!

Hypothesis: Written as an “if…then…” statement

If (IV) then (DV)

Supplies: List all materials used in the experiment!

Procedures/Experiment: That you write every step of the experiment

Data Collection

Analysis of Data

Conclusion

Sep 2512:56 PM

Remember!!!

To find the Independent variable ask:

What might cause a change?

To find the Dependent variable ask:

What might change because of the Independent variable of your problem?

When deciding the control variables: Think of all the things that should be constant so it won't alter your experiment.

The Control Group: is the group that nothing is done to it. It is not tested. It stays as it always was!

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?

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?

???

Sep 2612:47 PM

pg 16 Questions (Problem) 4Hypothesis

Hypothesis:is writtenas an If... then... Statement

The water temperatureis hot, then dissolving(solution rate) slower.

3. If I add a lot ofSoda, then The

Solution rate (dissolving)will be slower.

4. If the amount ofthen plant growth will Be

faster.

light is greater,

If I add more

water,then thePlant growthwillgreater.6. IV . Miracle grow

DV: Plant growthIf I use miracle growdaily then plantgrowth will increase.If Ozzie kicksthe round toy, then

the rat will perk up.

Sep 252:58 PM

Answers to the Study Guidel. Observations


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October 01, 2012

Sep 259:46 PM

There can be several (many) controlled variables in an experiment. If an experiment is to be useful, only one variable at a time can

be manipulated (tested) intentionally. All other variables must be controlled throughout all part of the experiment. If more than 1

variable is altered at a time, the results of the experiment are invalid.

Sep 208:54 AM

Control(s)vs.Control Group

Sep 2510:09 PM

Practice:Different rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment.

Independent Variable (what is being tested/what is purposely changed?):____________________

Dependent Variable (what depends on that change?):_______________________

Control(s) (what stays the same?): __________________________________________________________________

Rose bushes number offlowers

same type a amount of soilif fertilizer is used

Same greenhouseamount of water

for each

amount of growth timeSep 2510:02 PM

Lisa notices that the family shower is covered in a strange green slime. Her friend Barney tells her that coconut juice will get rid of the green slime. Lisa decides to check this out by spraying half of the shower with coconut juice. She sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.

Practice:

What was Lisa's initial observation? ________________________________Identify theControl Group: ____________________________Independent Variable: _______________________Dependent Variable: ________________________What should Lisa's conclusion be? _________________________________

Sep 259:46 PM

Practice:Smithers thinks that a special

juice will increase the productivity of

workers. He creates two groups of 50 workers

each and assigns each group the same task

(in this case, they're supposed to staple a

set of papers). Group A is given the

special juice to drink while they work. Group

B is not given the special juice. After an

hour, Smithers counts how many

stacks of papers each group has made.

Group A made 1,587 stacks, Group B

made 2,113 stacks.

Identify the:1. Control Group

2. Independent Variable

3. Dependent Variable

4. Control(s)

Sep 208:54 AM

Practice:Miss Kinney believes that students exposed to her cooking will become extra smart. She decides to perform an experiment by giving 10 students a homemade meal at lunch for a week. She compared these 10 students to another 10 students, from the same class, who ate in the school cafeteria. She found that 8 out of the 10 students who ate lunch from the school cafeteria were able to score an “A” on her weekly quiz . 10 out of the 10 students that ate her homemade food were sent to the hospital after eating their first meal due to extreme vomiting and haven’t been back to school.

Identify theControl Group: _____________________________________________Independent Variable: ________________________________________Dependent Variable: _________________________________________What conclusion can you draw from this investigation?________________________________________


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October 01, 2012

Sep 259:54 PM

Practice:Ms. Miller was told that a certain itching powder was the newest best thing on the market, it even claims to cause 50% longer lasting itches. Interested in this product, she buys the itching powder and compares it to her usual product. One test subject (A) is sprinkled with the original itching powder, and another test subject (B) was sprinkled with the Experimental itching powder. Subject A reported having itches for 30 minutes. Subject B reported to have itches for 45 minutes.

Identify theControl Group: _____________________________________________________________Independent Variable: ________________________________________________________Dependent Variable: __________________________________________________________If Ms. Miller were going to get even with Miss Kinney, since Ms. Miller is an angel and Miss Kinney is evil, which powder is more effective? ______________________________________________________

Sep 264:00 PM

Sponge Bob Identifying Variable Practice

Sep 208:26 AM

ReviewIndependent Variable

The independent, AKA manipulated variable, is a factor that’s intentionally changed by the experimenter.

Dependent Variable

The dependent, AKA responding variable, is the factor that may

change as a result of changes made in the independent

variable.

Hypothesis to look at: “If more sugar is added, then the bread will rise higher.”

Sep 206:19 AM

Steps of the Scientific Method2. ______________: Predict a possible answer to the problem or question. Always written in

an if then statement.Example: If

______________then ______________.

Sep 216:02 PM

You want to find out which brand of paper towels is the best. You will be given 3 unknown samples of paper towels. You want to which one is the strongest. You will need to determine this based on a wet test and a dry test. You will have to put weight (pennies) on it to find out which one holds the most in both conditions.

Hypothesis: If ______________________________________ then __________________________________

Sep 206:19 AM

More Than Just A Guess

Practice creating hypothesis statements


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October 01, 2012

Sep 208:17 AM

Steps of the Scientific Method

3. ______________: Develop and follow a procedure.

Include a detailed materials list.

The outcome must be measurable (quantifiable).procedures for making a

cheese sandwichl.

Sep 216:11 PM

Materials List: Must include anything and everything you _____ to complete the lab. In our scenario of which paper towel is the best, list any materials that you may need.

__________________________________

___________________________________________________

_____________________________________________________________________________________

_________________ _________________

Sep 216:33 PM

Now it's your turn..... Create a list of procedures to make a cheese sandwich.

Couple of hints: Mrs. Jeffcott is a germaphobe and so is everyone else (or at least they should be!) STEP by STEP. Materials list

Sep 216:26 PM

Couple of questions to think about....

Why repeat the experiment 5 times for EACH brand? and for each condition?

Why are the paper towels labeled A, B and C and not by the brand?

Define ________________:

Sep 216:16 PM

Procedures: Must be _______ by ________ As detailed as possible.

Example: (from paper towel scenario)For the dry test:1. Obtain (get) 5 each of big paper towels sheets labeled A, B, and C.2. Select one person from the group to be the holder of the paper towel.3. Select one person from the group to place pennies onto the center of the paper towel. 4. Select one person from the group to count the pennies at the end of each trial.5. Select one person from the group to record the data and have him/her fill in the data table.6. Gently hold one sheet of paper towel A by two ends so it lies flat (horizontal) above the desk. 7. Slowly place pennies onto the center of the paper towel (make sure that each time you place a penny on the paper towel you do it in exactly the same manner) counting as you go until the towel rips. It doesn’t have to rip in the center; it might rip where you are holding the towel.8. The recorder now writes the number in the data table.9. Repeat steps 79 four more times for paper towel A.10. Repeat steps 79 five times for paper towel B.11. Repeat steps 7 9 five times for paper towel C.11. NEVER change jobs throughout these tests!

Sep 2512:43 PM


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October 01, 2012

Sep 208:17 AM

Steps of the Scientific Method4. ______________: Include

_____________, ______________, and photographs/pictures

Modify the procedure if needed.Confirm the results by retesting.Quantitative Data vs. Qualitative

Data

Sep 288:13 AM

Graphs, Graphs, Graphs: Which one do I use?

_________________________________ are used to track changes over short and long periods of time. These types of graphs can also be used to compare changes _______________ the same period of time for more than one group.

_________________________________ are best to use when you are trying to compare parts of a whole. They do not show changes over time.

__________________________________ are used to compare things between different groups or to track changes over time.

Sep 288:23 AM

Examples of graphs:

Sep 288:20 AM

Graphing Checklist pg 24 review

Sep 208:17 AM


5. ______________: Look at all the data you collected, try to find ___________ or explanations.

Sep 208:17 AM

6. ______________: Include a statement that accepts or rejects the hypothesis. (____________

your hypothesis)Make recommendations for further study and possible

improvements to the procedure.



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October 01, 2012

Sep 208:17 AM

What should be included in your

conclusion statement?1. Restate your original ___________________________.2. __________________ or ______________________ of your hypothesis statement.3. Include _____________ to support your conclusion.

Sep 206:19 AM

Sep 2812:51 PM

Attachments

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Sep 13-7:30 AM Behavior How many of you would like to be able to start fresh from class to class - just because you had a bad day in Mr. Osborne's class - you wish you could start fresh in my class? Well here is your chance. I am (along with a couple of other teachers) are going to try something new this year and I really need your help with it.

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Sep 13-7:30 AM Instead of having your conduct chronicle follow you from class to class, I am going to keep track on my own on a form just like you see below...This is just in my class. So you get a fresh start from class to class. I will tell you when you make a behavior violation. You won't see it - it's in my records. But at least you know about it. Violations will be kept separated by the type of violations.

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Sep 13-7:30 AM Now for the best part!!!! REWARDS!! If you have 0 violations for a week - you will be given a weekly reward (list to follow). Then if you have 0 violations for a month - you will get a monthly reward (list to follow). If you have made a violation - let's try again next week. It starts all over - weekly. But if you make more than 3 violations in a month - a phone call will be made. More than 3 violations will result in some type of consequence (lunch dt, after school dt, conference, etc).

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Sep 13-7:30 AM Weekly Rewards Tickets CIA's No one made a violation - 2 extra links Extra Hall Pass Late Homework Pass Tardy Pass Front of the Lunch Line Pass Drink in Class Pass Snack in Class Pass Seating Choice     Pass

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Sep 13-7:30 AM Monthly Rewards If everyone in the class did not make a violation for the entire month - 5 extra links Homework Pass Test Corrections REDO Pass Bellwork Buddy Pass Ipod in Class Pass Pencil/Eraser Lunch Party Free Bell Pass Pick from Treasure Chest Extra Credit Pass

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Sep 16-10:59 AM

SMART Notebook

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