Hypothesis Writing

Writing Hypotheses

And Identifying Variables

Things To Know About A Hypothesis?

• It's a prediction

• It's an educated guess

• It's a testable explanation to a question

• It's an If...Then...Because statement

When Writing A Hypothesis

• First, write If... followed with the independent variable

• Next, write Then... followed with the dependent variable

• Last, write Because... followed by a possible explanation you learned from your research

Form A Hypothesis

• From a question or research problem

• What effect does protein have on muscle mass?

• Then identify the variables in the question.

Multiple Select

What effect does protein have on muscle mass? The responding, or dependent variable is __.

• muscle mass

• effect of protein

Multiple Select

What effect does protein have on muscle mass? The manipulated, or independent variable is __.

• muscle mass

• effect of protein

Writing The Hypothesis

• Write IF (followed by independent variable)

• If protein is eaten, then (followed by dependent variable)

• Now, let's put it together. If protein is eaten, then muscle mass will increase,

• If protein is eaten, then muscle mass will increase, because (followed by the researched explanation)

  
  

• Now, let's put it ALL together. If protein is eaten, then muscle mass will increase, because muscle tissue uses protein for fuel.

Multiple Choice

Which brand of soap gets rid of germs the best? Select the hypothesis for the question.

• I like Irish spring soap because it makes me smell good.

• Sometimes when I go to the store my sister tells me to bring her something back.

• If antibacterial soap is used, then the amount of germs decrease by 99%.

• Breanna uses soap because it gets rid of germs.

Multiple Choice

Which brand of sneakers will allow you to jump this highest? What is the hypothesis for this question?

• If I wear NIke brand sneakers, then I will jump higher in the game.

• I like to play basketball becasue someday I will play in the NBA.

• Wearing sneakers will make me feel better in the game.

Writing Hypotheses Summary

• When forming a hypothesis, write an if...then...because statement.

• Start hypothesis with If, followed by the independent variable and supporting words

• Next, write Then, followed by the dependent variable and supporting words

• Last, write Because, followed by the researched explanation.

Let's Review

What's a hypothesis?

How do we write a hypothesis?