Problem Statement and Hypothesis

Problem Statement and Hypothesis

Form 1 Integrated Science

​Scientific Method

• ​Problem statements and hypotheses are usually included in the scientific method.

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• ​You only need to know their definitions and the format of writing a hypothesis.

​Problem Statement

• ​ALWAYS written as a question

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• ​The question should start with either which, how, or what

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• ​The problem statement ALWAYS asks a question that can be experimented

Multiple Choice

Problem statements should

• be a question

• be an answer

• be unanswerable

Multiple Choice

Which of the following is a correct scientific problem statement?

• How does the amount of water affect the growth of my plant?

• My plant needs more fertilizer.

• How come my plant is dying?

Multiple Choice

Which of the following is a correct scientific problem statement?

• Do rubber tires grip better?

• How does the speed of my car faster than hers?

• How does the speed of my car affect the time it takes for me to get to work?

Multiple Choice

Which of the following is a correct scientific problem statement?

• How do the spikes on my shoes affect my grip when golfing?

• My shoes are not working well.

• My spike grip to the grass too much.

Multiple Choice

Which of the following is a correct scientific problem statement?

• How do the hours I study affect the grade I will earn on the test?

• How do the hours I study help?

• A hypothesis is an educated guess.

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• ​There is no right or wrong hypothesis​, it is simply a guess

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• ​It is carried out based on research and prior knowledge.

​Hypothesis

​Things to know about a Hypothesis

• ​It is a prediction, happens before the experiment is carried out

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• ​It is an educated guess

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• ​It is a testable explanation to the problem statement

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• ​Usually comes in the form of an If.....Then statement

Multiple Choice

Which is NOT true about the hypothesis?

• IF....THEN statements are used.

• It is a prediction

• It is testable through experimentation

• ALL are true

Multiple Choice

What is a hypothesis?

• the thing changed on purpose in the experiment

• an explanation about what you observed

• using your 5 senses to gather data

• an educated guess about the outcome of an experiment

Multiple Choice

What two words should be in your hypothesis?

• I think

• If ...then...

• It will

• No idea

Multiple Choice

When is a hypothesis written?

• before you decide on a question

• after the experiment

• before the experiment

• after the conclusion

Multiple Choice

Choose the correctly written hypothesis for "What is the effect of putting Pam Cooking Spray on the bottom of a sled?"

• I think the sled will slide faster.

• When Pam Cooking Spray is on the bottom of my sled, I will win the race."

• If I put Pam Cooking Spray on the bottom of my sled, then I will slide faster.

Multiple Choice

A hypothesis is never wrong.

• True

• False

​YOU'RE DONE! NOW WASN'T THAT EASY?