Students observe an in-classroom visual representation of a volcanic eruption. The water-powered volcano demonstration is made in advance, using sand, hoses and a water balloon, representing the main components of all volcanoes. During the activity, students observe, measure and sketch the volcano, seeing how its behavior provides engineers with indicators used to predict an eruption.
Subject:
Mathematics and Statistics, Science and Technology
The students will review solid figures using a baggie of assorted snack mix (cones, cubes, cylinders, and spheres) and will begin a vertical bar graph showing the number of each solid figure in a bag of assorted snack mix.
Students learn about the causes, composition and types of volcanoes. They begin with an overview of the Earth's interior and how volcanoes form. Once students know about how a volcano functions, they learn how engineers predict eruptions. In a class demonstration, students watch and measure a mock volcanic eruption and observe the phases of an eruption, seeing how a volcano gets its shape and provides us with clues to predict a blast.
Subject:
Mathematics and Statistics, Science and Technology
Се воведува n-димензионален простор и поим за функција во него. Посебно се проучува 3-димензионалниот простор и графички се прикажуваат елементарните површини во простор. Се дефинира граница и непрекинатост на функција од две независни променливи. The n-dimensional space and specially, 3-dimensional space is introduced. The most common surfaces in 3-dimensional space are shown. The definitions of a limit and continuity are given.
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