Essential Question Investigation 1 part 1 Black Boxes

Essential Question: Investigation 1 - part 1 Black Boxes What evidence can you acquire that will help you explain what a black box looks like inside?

Word Bank Black Box Model Collaboration Consensus

Content/Inquiry Any system that cannot be directly observed and easily understood is a black box.

Content/Inquiry A model is a representation based on indirect evidence of something that is impossible to observe directly.

Content/Inquiry Sharing ideas and working together to solve a problem is collaboration.

Content/Inquiry Consensus is when everyone agrees.

Science Stories: Everyday Mysteries Questions to ponder… ØWhat is a system? ØWhat is the difference between a physical model and a conceptual model? ØWhy do models change over time ØHow was the black-box experience like some experiences that scientists have?

Essential Question: Investigation 1 - part 2 Black Boxes Can you build a physical model of a black box that behaves the same way?

Content/Inquiry The model was refined by comparing the unknown (original black box) to the known (student made black box).

Word Bank System Conceptual Model Physical Model

Content/Inquiry A system has parts that work together or share the same space in a meaningful way.

Content/Inquiry A conceptual model uses ideas to suggest what a system is or how it works. The model exists in a person’s mind or on paper.

Content/Inquiry Scientists can touch a physical model. The model can be built to scale or be larger or smaller than the actual system it represents.

Science Stories: Scientists & Models Questions to Ponder… Ø What was Ptolemy’s model for the universe? Ø What was Copernicus’s model? Ø Why was it hard for people to accept Copernicus’s idea? Ø What are some of the current models? Ø Do you think that humans will ever describe a correct model for the universe?

Science Stories: Scientists & Models Questions to Ponder… Ø How did the telescope help Galileo prove or disprove Copernicus’s model of the cosmos? Ø What is a black hole?