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Main Curriculum Tie:
Background For Teachers:
This investigation is based on the weather data gathered in Investigation Six. Once weather data is gathered, meteorologists want to interpret the data, looking for patterns. Their interpretations can be very complex. But we are going to be looking for simple patterns. To make the analysis easier, the data needs to be graphed and comparisons made.
When we compare graphs we begin to see the relationship one weather factor has with the others. When we see freezing temperatures, the precipitation will be in the form of snow. Often when a storm is approaching from the north, the barometer will drop, there will be a strong south wind, many clouds will begin to form, and the temperature will rise. After a storm, the barometer will rise, the winds will be gentle, most of the clouds will be gone, and the temperature will be colder.
However, the weather patterns in the summer are different from those of winter. When summer data is recorded, the data can be compared with the winter data. In the summer, there are still strong winds preceding a storm, but the storms blow in from the south. The barometer doesn’t change much. After a summer storm the temperature may drop a few degrees but not drastically like it does in the winter. We see more cumulus clouds in the summer, and we see thunder, lightning, and hail during all seasons but winter. Understanding patterns helps make predictions.
Intended Learning Outcomes:
Pre-Assessment/Invitation to Learn
Review with the students about graphs and their purposes. Tell them that it is a fast way to analyze information.
Go to this Weather Chart website. Tell the students that at this website it will tell us of graphs that can be made with the data that has been gathered. With temperature data we are going to graph the data to show how to make it. Make the graph on the board while they make it on graph paper.
Homework & Family Connections
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