Reflection: High Expectations Questions, Hypotheses, Variables & Controls...Oh My! - Section 3: You Do Together

 

This lesson begins to set the stage for students to plan and carry out their own investigations (NGSS Practice 3 - Planning and carrying out investigations). Up to this point, most students have been given "recipe" experiments where the question, variables, materials and procedures have been identified for them, and where they still believe that a hypothesis is a simple if-then statement. Their idea of a cool science experiment is dropping some Menthos in soda or making a paper mache volcano. A truly scientific classroom is so much more than that. 

If we truly aim to change that and develop students that can realistically engage in science practices, we need to start at the beginning. Students need lots of practice developing testable questions with clearly identified variables that will lead into concrete explorations. This means providing opportunities for them to figure out why some questions are "better" than others to guide meaningful experiments. 

  Planning and carrying out investigations
  High Expectations: Planning And Carrying Out Investigations
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Questions, Hypotheses, Variables & Controls...Oh My!

Unit 1: Introduction to 7th Grade Science
Lesson 5 of 14

Objective: Students will be able to identify testable questions, write hypotheses, identify variables and controls.

Big Idea: The processes of science include the asking testable questions and constructing investigations to answer those questions.

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