Read the lab procedure for a controlled experiment that looks at the effect of heat on the circumference of bicycle tires. Step 1: Pump up six identical bike tires to the recommended air pressure. Step 2: Place three tires under heat lamps, and keep the other three tires at room temperature. Step 3: After four hours, measure the circumference of each tire. Step 4: Record your results in the table. Step 5: (?) Which step should be next in this procedure? List the materials that are needed. Write a conclusion for the experiment. Write a hypothesis for the results. Draw a table for the observations.
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Read the lab procedure for a controlled experiment that looks at the effect of heat on the circumfer...
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