In class today students carried out an investigation using the freefall drop towers. All classes completed multiple trials and calculated the speed.

Physical science students need to calculate the acceleration due to gravity using the formula provided in class.

Analysis questions:

  1. Use today’s experiment to differentiate between repetition & replication.
  2. Design a new experiment that you could do with this model. Identify the test (independent), the outcome (dependent) and controlled variables.

About Mr. Geary

8th grade science teacher at Julia Landon College Prep. and Leadership Academy.

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