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Do your students need more practice DESIGNING experiments? I find the simpler the better-so here they take a simple straw rocket and design an experiment around it. Students determine a variable they can change and conduct all the steps of the scientific method in their own experiment.
In this activity students:
*Design a testable question to solve
*Predict a hypothesis
*Write a procedure
*Create a data table and record observations
*Write a conclusion using Claim, Evidence, Reasoning
Straws (several for each group to work with), cardstock, paper, tape, scissors, pencil fatter than the width of the straw.
Students can also decide to use other materials in their experimental rocket like recyclable plastic.
Plan on 3-4 55 minute blocks to complete- it takes time to meet with all the groups to make sure they are conducting valid experiments.