STEM videos geared towards High School students
This experiment highlights the importance of
water purification systems and the industrial purification process. The
chemistry involved in flocculation and removal of dissolved nutrients is
discussed. The ecological impact of algal blooms is also discussed and how this
ultimately relates back to water purification and prevention of pollution.
Students will perform chemical reactions to understand the purification
learn about the gases that erupt from volcanoes, and the volcanologists who study them. They will produce carbon
dioxide and examine the chemistry and stoichiometry behind the reaction.
In this experiment, students will learn about
the difference between precipitation due to solubility constraints and
precipitation due to a chemical reaction. They will explore various
precipitation reactions and learn about their applications in water
purification systems. Finally, they will also learn about why the Statue of
Liberty has turned different colors!
Students will expand on their knowledge of pH
and apply this to understanding how acid rain and greenhouse gasses affect the Earth's
water supply. They will learn how botanists and marine chemists study the pH
changes in soil and water sources and why pH is so important in our ecosystem.
Students will learn how simple chemical
reactions that cause temperature change can be used for practical applications.
They will see how engineers and scientists have converted thermodynamic
principles into commercial products. Students will investigate the specific
reactions that lead to these temperature changes and then create their own
solution to developing a thermo-neutral reaction.
Students will examine the germination and growth of plants and test
whether a genetic mutation resulting in dwarfism is due to specific genetic
mutation resulting in a deficiency of a plant growth hormone (gibberellic acid
(GA)). Students will plant and tend the growth of both Standard and Rosette
(with mutation for dwarfism) forms of Brassica
Rapa. Following germination and initial growth of the plants, students will
apply a solution of GA to the leaves and evaluate any effect on the growth and
development of both dwarf and standard plants.
Los estudiantes examinarán la germinación y el crecimiento de las plantas y probarán si una mutación genética que resulta en enanismo se debe a una mutación genética específica que resulta en una deficiencia de una hormona de crecimiento vegetal (ácido giberélico (GA)). Los estudiantes plantarán y cuidarán el crecimiento de las formas Standard y Rosette (con mutación por enanismo) de Brassica Rapa. Después de la germinación y el crecimiento inicial de las plantas, los estudiantes aplicarán una solución de GA a las hojas y evaluarán cualquier efecto sobre el crecimiento y desarrollo de plantas enanas y estándar.
Students will learn about pH and acid-base reactions.
They will investigate pH changes and learn about various techniques used to
The chemistry of luminol will be explored.
Students will make up solutions of various concentrations and investigate the
chemistry of the reaction to generate light without heat. Industrial
applications (glow sticks and forensics) of this experiment will also be
This experiment serves as an introduction to, or
reinforcement of concepts relating to measurements. Through a series of investigations,
students will become more familiar with different tools that are used by
scientists, as well as everyday household items that are designed specifically