One sign is a swelling of the mountain as the magma chamber fills. Engineers design and build devices to detect indications of an impending eruption. This engineering curriculum aligns to Next Generation Science Standards ( NGSS).Įven though we cannot prevent volcanic eruptions, there are telltale signs that an eruption is going to occur. During the activity, students observe, measure and sketch the volcano, seeing how its behavior provides engineers with indicators used to predict an eruption. The water-powered volcano demonstration is made in advance, using sand, hoses and a water balloon, representing the main components of all volcanoes. ![]() ![]() ![]() Students observe an in-classroom visual representation of a volcanic eruption.
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