Burner, no-tip Safety with expanded base prevents tipping, even with hoses connected and easy carry handle for safe handling, designed to produce and extremely hot and stable flame, features a grid that separates the flame into an array of much smaller flames,
Harbottle, teaching tool for introducing pressure and discussing its applications, such as vacuum cleaners, flight, pumps, weather, and even how we breathe, balloon and a bottle, Measures 5In in diameter. Grades 5 and up
STEM Investigation: Is Yeast Alive, There are certain characteristics of all living things that the scientific community uses to judge whether something is alive. On first observation, yeast does not look like a typical living thing
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