This demonstration is a great way for students to model the stages of mitosis. Images of the different stages in textbooks are static snapshots and many students have difficulty grasping the idea that mitosis happens as part of a continuous cycle.
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Teacher Demo: Photosynthesis and Respiration: Complementary Processes
Categories: Teacher Demonstration
The cells of green plants contain the pigment chlorophyll in organelles called chloroplasts. Chloroplasts capture the Sun’s energy and store it―through photosynthesis―as chemical energy. The... read more
Teacher Demo: Rusty Balls
Categories: Teacher Demonstration
The thermite reaction is very exciting, but also extremely dangerous. Iron has a melting point of over 1500oC and the reaction can reach temperatures of over 2000oC. This reaction was once used to... read more
Teacher Demo: Acid-Base Rainbow
Categories: Teacher Demonstration
This quick demonstration is a highly visual illustration of the use of acid-base indicators to determine pH. Milk of magnesia is mostly a suspension of magnesium hydroxide in water. Magnesium... read more
