The Scientific Method

Open Ended

What do you know or remember about the scientific method?

Please use the sentence stem below.

What I know/remember about the scientific method is that it...

Open Ended

Define “hypothesis” in your own words.

Use the sentence stem below.

A hypothesis is...

Open Ended

Describe how a hypothesis is written.

Use the sentence stem below.

A hypothesis is written as ....

Open Ended

Why is it important to have a control as part of an experiment?

Use the sentence stem below.

It is important to have a control because ...

Open Ended

Why do you think it is important to use graphs and charts for data analysis?

Use the sentence stem below.

It is important to use graphs and charts because ...

Open Ended

Compare independent and dependent variables.

Use the sentence stem below,

The independent variable ....... but the dependent variable....

Multiple Select

Which statements below would be part of the conclusion?

Choose all the responses that apply.

• The data supported the hypothesis, " if a cereal contains more sugar, then more ants will be attracted to it".

• The graph indicates a positive correlation between the amount of sugar added to the cereal and the number of ants.

• We learned alot from the experiment and had fun.

Multiple Choice

Why are experiments repeated or require large numbers of test subjects?

Choose the INCORRECT answer

• they are repeated to keep the scientists from going home

• they are repeated to identify inconsistencies or outliers

• they are repeated to rule out the possibility of error

• they are repeated to verify results

Match

Match the following terms with their correct definitions.

• a factor in an experiment that is kept the same in all trials.

• the variable that is changed on purpose or manipulated by the experimenter

• the standard for comparison in an experiment; the independent variable is not applied

• the variable that is measured and responds to the independent variable

•  information gathered during an investigation or survey

Constant

Independent variable

Control 

Dependent variable

Data

• Constant

• Independent variable

• Control 

• Dependent variable

• Data

​Can you Spot the Scientific Method?

You will answer 15 questions about a scenario involving the members of bikini bottom. ​​
4 of the steps of the scientific method are listed below.

Bikini Bottom
The Scientific Method

A. recognize a problem    C. test the hypothesis with an experiment

B. form a hypothesis       D. draw conclusions

Multiple Choice

Sponge Bob predicted that poofkin seeds would start to grow faster if an electric current was

                  added to the sand in which they grow.

• recognize a problem                        

                                    

• form a hypothesis

• test the hypothesis with an experiment

•   draw conclusions

Multiple Choice

Sandy said, "If I fertilize my geranium plants, then they will produce more blossoms".

• recognize a problem               

                                    

• form a hypothesis

• test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Mrs. Puff's data showed that 90% of bikini bottom pedestrians moved off the street when

                  Sponge Bob was driving.

• recognize a problem                              

• form a hypothesis

• test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Patrick grew bacteria from his mouth on special plates in Sandy's laboratory. He placed drops of

                 different mouthwashes on the bacteria in each plate.

• recognize a problem     

• form a hypothesis

• test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Sponge Bob used a survey to determine how many of his classmates passed their driving test within their first three attempts.

• recognize a problem     

• form a hypothesis

• test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Mr. Krabs was wondering how adding a different sauce to the Kraby patty would affect his sales.

• recognize a problem

• form a hypothesis

• test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Gary noticed that sea horses ate more of the purple poofkins. He wondered "Is there something in the purple poofkins which attracts seahorses?"

• recognize a problem                   

• form a hypothesis

• test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Larry wondered if eating more protein would increase the size of his pinchers.

• recognize a problem                           

• form a hypothesis

• test the hypothesis with an experiment

•   draw conclusions

Multiple Choice

Sponge Bob, planted 20 poofkin seeds at a depth of 2 cm and applied 2 volts of electricity to 10

                   seeds for 2 minutes each. Sponge Bob did not apply electricity to the other 10 seeds.

• recognize a problem                              

• form a hypothesis

•                               test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Squidward read about clarinet music. He wanted to know if jellyfish were attracted to the sound

        of a clarinet.

• recognize a problem     

• form a hypothesis

• test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Patrick said " If I place more pieces of gum in my mouth, then I will be able to blow a larger 

                    bubble."

• recognize a problem          

• form a hypothesis

• test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Sandy's experiment proved that geraniums treated with fertilizer had 40% larger blossoms than

                    geraniums not treated with fertilizer.

• recognize a problem           

• form a hypothesis                          

•  test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Pearl said "If my dad gives me a very expensive birthday party, then I will be the most popular girl

                     in Bikini Bottom."

• recognize a problem                             

• form a hypothesis

• test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Gary isolated the chemical in the pink poofkins and added it to other food sources. His experiment

                    showed that food to which the isolated chemical was added was more attractive to the seahorses.

• recognize a problem                              

• form a hypothesis

• test the hypothesis with an experiment

• draw conclusions

Multiple Choice

Patrick's data showed that mouthwashes of every type were virtually ineffective against the bacteria cultured from his mouth.

• recognize a problem                              

                                     

• form a hypothesis

• test the hypothesis with an experiment

• Ddraw onclusions

Multiple Choice

Patty Power

Mr. Krabbs wants to make Bikini Bottoms a nicer place to live. He has created a new sauce that he thinks will reduce the production of body gas associated with eating crabby patties from the Krusty Krab. He recruits 100 customers with a history of gas problems. He has 50 of them (Group A) eat crabby patties with the new sauce. The other 50 (Group B) eat crabby patties with sauce that looks just like the new sauce but is really just mixture of mayonnaise and food coloring. Both groups were told that they were getting the sauce that would reduce gas production. Two hours after eating the crabby patties, 30 customers in group A reported having fewer gas problems and 8 customers in group B reported having fewer gas problems.

What is the dependent variable?

• the new sauce

• the mayo and food coloring

• the customers reporting gas problems

Multiple Choice

Patty Power

Mr. Krabbs wants to make Bikini Bottoms a nicer place to live. He has created a new sauce that he thinks will reduce the production of body gas associated with eating crabby patties from the Krusty Krab. He recruits 100 customers with a history of gas problems. He has 50 of them (Group A) eat crabby patties with the new sauce. The other 50 (Group B) eat crabby patties with sauce that looks just like the new sauce but is really just mixture of mayonnaise and food coloring. Both groups were told that they were getting the sauce that would reduce gas production. Two hours after eating the crabby patties, 30 customers in group A reported having fewer gas problems and 8 customers in group B reported having fewer gas problems.

Which group is the control group?

• Group A

• Group B

• There is no control group

Multiple Choice

Patty Power

Mr. Krabbs wants to make Bikini Bottoms a nicer place to live. He has created a new sauce that he thinks will reduce the production of body gas associated with eating crabby patties from the Krusty Krab. He recruits 100 customers with a history of gas problems. He has 50 of them (Group A) eat crabby patties with the new sauce. The other 50 (Group B) eat crabby patties with sauce that looks just like the new sauce but is really just mixture of mayonnaise and food coloring. Both groups were told that they were getting the sauce that would reduce gas production. Two hours after eating the crabby patties, 30 customers in group A reported having fewer gas problems and 8 customers in group B reported having fewer gas problems.

What can Mr, Krabs conclude?

• Group B cheated

• The customers who ate the krabby patties wiith the new sauce did report fewer gas problems

• The new sauce is a miracle.

• Group A is the control group.

Multiple Choice

Slimotosis

Sponge Bob notices that his pal Gary is suffering from Slimotosis, which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp. After a week of treatment, the slime is gone and Gary's shell smells better.

What is the independent variable?

• the condition of Gary's shell

• the type of cure

• Sandy and Patrick

Multiple Choice

Slimotosis

Sponge Bob notices that his pal Gary is suffering from Slimotosis, which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp. After a week of treatment, the slime is gone and Gary's shell smells better.

What can Spongebob conclude?

• the Dr. Kelp worked

• the rubbing of seaweed worked

• both treatments worked

• he can't make a valid conclusion because this experiment did not have a control