This resource is explicitly designed to build towards this science and engineering practice.
Comments about Including the Science and Engineering Practice
Students will conduct a simple investigation that will produce observational and measurement data. This data will serve as the basis for determining the cause and effect relationship of magnetic interactions between two objects that are not in contact with each other.
Stop and ask: “What did you observe?” “What do you wonder?” This will encourage students to ask questions, one of which should be: “I wonder what would happen if you kept moving the magnet forward?” Through the implementation of an investigation to answer this question, students will gather data that will serve as the evidence of magnetic interactions between objects not in contact with each other.
This resource is explicitly designed to build towards this science and engineering practice.
Comments about Including the Science and Engineering Practice
Students will work collaboratively in teams to conduct a simple investigation that will produce observational and measurement data. This data will serve as the basis for determining the cause and effect relationship of magnetic interactions between two objects that are not in contact with each other.
Some additional questions students should be guided to ask include: How could we design a “fair test” to see how distance affects the magnetic attraction? What should stay the same? (the number of clips tested, the type of clips) What will change? (the distance from the magnet) How will we record data? (make a table)
As this lesson is targeted for third graders, the teacher guidance is suggested to develop the hypothesis based on their question, and to plan the experimental procedure. If students are not ready to develop hypotheses, students could make an initial claim instead. They could then investigate to find evidence to support whether the claim is valid or not.