Scientists ask and seek answers to research and testable questions. Which of the following would you consider to be a testable question?

Read this testable question and determine the independent variable. Does the size of the wheel impact how fast it will roll down a ramp?

Read this testable question and determine the dependent variable. Does the size of the wheel impact how fast it will roll down a ramp?

Read this testable question and determine the independent variable. Will bounce height be impacted by the size of a basketball?

Read the following statement and determine which step the scientist was completing in designing the experiment. If more oil is added to the wheel, then friction will be reduced because oil will allow the parts to spin more smoothly and there will

Which term refers to a possible explanation for an observation that can be tested by scientific investigations?

Which refers to the factors in an experiment that do not change?

TQ: Does basil grow taller in full or partial sun? What type of variable is the brand of basil seeds?

TQ: Will a kite with parchment paper wings fly higher than one made with newspaper? What type of variable is the height?

TQ: Will adding more baking powder make the cupcakes rise higher? What type of variable would a cupcake made with the *original* recipe be?

TQ: Will changing the slope of a ramp change the distance a matchbox car travels? What type of variable is the slope of the ramp?

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