developing a hypothesis and title for your experiment 3544

8/3/2019 Developing a Hypothesis and Title for Your Experiment 3544

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Developing a Hypothesis andTitle for your Experiment

Based on slides from Blueprints for Science Summer Institute


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Scientific Method

1. Formulate a question.

2. Research the question.

3. Form a hypothesis.

4. Conduct an experiment to test yourhypothesis.

5. Analyze data.

6. Draw Conclusions.

7. Communicate results.


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The Hypothesis is the foundation ofthe experiment!

The development of a hypothesis is the first

step in designing and conducting anexperiment.

The hypothesis should be clear, specific, and

testable.


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The Hypothesis

Is the prediction for the outcome of the

experiment.

States the relationship between the

independent and dependent variable!

Rememberyou are always testing to see if the Independent

Variable has an effect on the Dependent Variable.


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The Hypothesis

Is written in the following format:

If the (Independent Variable) is (describe

change), then the (Dependent Variable) will

(describe change).

You must always use this Ifthen statement which stating

your hypothesis because is states the relationship between the

IV and the DV!


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Heres a scenario for you:

Mr. Ponticelli tested to see if the amount ofTV had an effect on how many times his

baby woke up during the night!

He let JJ watch 1 hr, 2 hrs, 3 hrs, and 4 hrs

of TV.


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IV: TV time (1 hr, 2 hr, 3 hr, 4 hr)

DV: How many times his baby woke up duringthe night

HYPOT

HES

IS

:I

f the (amount of TV time) is(increased), then the (amount of times the

baby wakes up during the night) will

(increase).


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HYPOTHESIS: If the (amount of TV time) is

(increased), then the (amount of times thebaby wakes up during the night) will

(increase).

This hypothesis states the relationship between

the amount of TV time (IV) and the # of times

the baby wakes up (DV).


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The Title of your Experiment

Like your Hypothesis, the title of your

experiment also has a specific format youmust use.

It also shows the relationship between the IV

and the DV.


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Is written in the following format:

The Effect of(Independent Variable) on the

(Dependent Variable).

Remember, in your experiment, you are looking to see if the

IV has an effect on the DV.


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Using the last example:

The Effect of(the Amount ofTV Time) on

the (Number ofTimes the Baby Wakes Up

During the Night).

Remember, in your experiment, you are looking to see if the IV

has an effect on the DV.


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Effect vs Affect

Effect and Affect are great words to use

when writing Titles and Hypotheses.

Whats the difference?


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Effect vs Affect

Effect is a noun. It refers to the outcome of an experiment.

It is ALWAYS used when writing Titles.

Affect is a verb. It means to influence or act upon something.


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Ready for some practice?

1. Take out your Experimental Design sheet

with the vocabulary words.

2. Clear everything else off your desk.

3. Get a mini whiteboard, marker, and

eraser.


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SHOW ME YOUR ANSWER!

1. Each group must give each student in the group aspecific number of 1-4.

2. I will put a scenario up on the screen.

3. Each group will discuss the scenario with eachother and identify your variables.

4. I will then call out a student number and a question

for you to answer. That student must write downthe answer though the teammates can help.

5. When I say Show me your answer, hold up yourwhite board for me to see.


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Think about the following scenarios

Scenario #1:

Billy Bob set up an experiment to see if the

amount of sleep affects the reading scores

of 4th graders.


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Here wego!

Scenario #2:

Davey Jones has seen all those commercialsthat say Tag body spray attracts girls.

He decided to test if the amount of body sprayhas an effect on how many girlsapproached him over the course of theschool day.


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Here wego!

Scenario #3:

Sidney Crosby set up an experiment to

determine if the weight of a hockey puck

has an effect on the speed of his slapshot.

He measured his shot in mph.


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Here wego!

Scenario #4:

Dr. Sawyer set up an experiment to see if the

amount of time students spend on

homework each night has an effect on their

Science MCAS score.


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Here wego!

Good job!

developing a hypothesis and title for your experiment 3544

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