Think Like a Scientist Grudge Ball Review.

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Presentation transcript:

Think Like a Scientist Grudge Ball Review

What IS aN Independent Variable? The variable that is manipulated or changed The variable that is left the same The final result of the experiment The variable that is measured

What IS aN Independent Variable? The variable that is manipulated or changed

What IS a Controlled Variable? The variable that is manipulated or changed The variable that is left the same The final result of the experiment The variable that is measured

What IS A Controlled Variable? b. The variable that is left the same

What IS a Dependent Variable? The variable that is manipulated or changed The variable that is left the same The final result of the experiment The variable that is measured

What IS a Dependent Variable? d. The variable that is measured

IN A SCIENTIFIC EXPERIMENT All variables should be controlled. If you do it right the first time, you don’t need to do it again. Only one variable needs to be changed. If your hypothesis is incorrect, then your experiment is wrong.

IN A SCIENTIFIC EXPERIMENT All variables should be controlled. If you do it right the first time, you don’t need to do it again. Only one variable needs to be changed. If your hypothesis is incorrect, then your experiment is wrong.

True or False: Science experiments Don’t need to have Variables.

True or False: Science experiments Don’t need to have Variables. FALSE. All experiments have variables.

What Method should you Use when writing a Conclusion?

What Method should you Use when writing a Conclusion? C-E-R Claim - Evidence - Reasoning

What Does the “E” in C-E-R Stand for?

What Does the “E” in C-E-R Stand for? The E stands for Evidence. C: Claim E: Evidence R: Reasoning

What is the effect of Soil Type on Plant Height? What is the independent variable? Underline it. What is the dependent variable? Circle it.

What is the effect of Soil Type on Plant Height? Name two control variables for this testable question.

What is the effect of Soil Type on Plant Height? Name two control variables for this testable question. Type of plant, growing conditions (sunlight, temperature, etc), amount of water, type of container

Identify the testable question Which is better, ice cream or potato chips? Does water smell good? Does the type of wood affect how long it burns? Does carbon dioxide in the atmosphere cause the atmosphere to warm?

Identify the testable question Which is better, ice cream or potato chips? Does water smell good? Does the type of wood affect how long it burns? Does carbon dioxide in the atmosphere cause the atmosphere to warm?

Write an if-Then HyPothesis Does changing the height of the ramp affect how far a ball will roll?

Write an if-Then HyPothesis Does changing the height of the ramp affect how far a ball will roll? If the height of the ramp is higher, then the ball will roll farther.