Hypothesis Hypothesis PracticePractice

A Hypothesis is…A Hypothesis is…

An educated guess relating 2 An educated guess relating 2 variables. It must be testablevariables. It must be testable

Hypothesis FormatHypothesis Format

IfIf the the dependent variabledependent variable is is related to the related to the independent independent variablevariable, , thenthen the the independent independent variablevariable affects the affects the dependent dependent variablevariable in some way. in some way.

Ex. Ex. IfIf heart rate is related to heart rate is related to exercise, exercise, then then the more intense the the more intense the exercise the exercise the

faster heart rate will increase. faster heart rate will increase.

Plant Growth and the Plant Growth and the Amount of LightAmount of Light

If plant growth is related to If plant growth is related to the amount of light, then the amount of light, then plants will grow faster if plants will grow faster if given more light.given more light.

Human Age and the Chance Human Age and the Chance of Heart Attackof Heart Attack

If the chance of heart attack If the chance of heart attack is related to human age, then is related to human age, then younger humans have a smaller younger humans have a smaller chance of heart attack than old chance of heart attack than old geezers. geezers.

Skin Cancer and Amount of Skin Cancer and Amount of UV LightUV Light

If skin cancer is related to UV If skin cancer is related to UV light, then greater UV light, then greater UV absorption increases the chance absorption increases the chance of skin cancer.of skin cancer.

Leaf Color Change and Leaf Color Change and TemperatureTemperature

If leaf color change is related If leaf color change is related to temperature, then cool to temperature, then cool (below 20 C) temperatures will (below 20 C) temperatures will quicken leaf color change.quicken leaf color change.

Amount of Sleep and Amount of Sleep and Student Test ScoresStudent Test Scores

If student test scores are If student test scores are related to the amount of sleep, related to the amount of sleep, then students who sleep longer then students who sleep longer the night before an exam will the night before an exam will score higher than those who do score higher than those who do not.not.

Steps of the S.M.Steps of the S.M.

1.1. Problem/Research QuestionProblem/Research Question

2.2. HypothesisHypothesis

3.3. ProcedureProcedure

4.4. DataData

5.5. Results/ConclusionResults/Conclusion