This activity is designed to provide qualitative understanding of the Work-Energy Theorem. …
This activity is designed to provide qualitative understanding of the Work-Energy Theorem. Students are expected to have read introductory material regarding the theorem, and are tested on this with a short online quiz prior to class. After a brief discussion a "warm-up" demonstration is conducted with student participation. A question is then posed regarding the height a "Hopper Popper" will reach if launched from a thumb instead of a hard flat surface. After initial responses are presented, discussion groups are formed to achieve consensus and provide justification of conclusions. This is followed by a confirming demonstration with surprising results.
Open tube resonators of nearly identical length produce sound waves with frequencies …
Open tube resonators of nearly identical length produce sound waves with frequencies very close together. The difference between the two frequenciesy is the beat note frequency heard when two resonators (musical intruments)are slightly out-of-tune.
This activity is a classroom investigation where student observe several properties of …
This activity is a classroom investigation where student observe several properties of water; adhesion and cohesion. They will transfer this knowledge to predicting other materials that will have adhesion with water molecules.
This activity is a guided inquiry or demonstration where students investigate elastic …
This activity is a guided inquiry or demonstration where students investigate elastic potential energy and gravitational potential energy and interpret their findings as related to Newton's Laws of motion.
A dynamically simplified solar system is constructed from online data to explore …
A dynamically simplified solar system is constructed from online data to explore the real solar system on many different scales.
The realistically scaled solar system is surprising because nothing is visible due to the presence of many different scales. That is why it is usually rescaled in animations or illustrations. This is nice but gives us a wrong sense of distances and sizes. This Demonstration is intended to show the solar system's different scales in their full glory.
Since it is hardly possible to see anything when the real scales are used, controls have been added to modify the sizes of the celestial bodies.
This activity is based on inquiry, guided discovery, observation and discussion to …
This activity is based on inquiry, guided discovery, observation and discussion to help students learn the objectives in learning more about a fish, labeling its body part and learning about its life cycle.
A magical demonstration where a Pyrex tube vanishes in a beaker of …
A magical demonstration where a Pyrex tube vanishes in a beaker of mineral oil. Useful demonstration to introduce to concept of refraction (and/or partial reflection).
This is an interactive lecture where students answer questions about demonstrations shown …
This is an interactive lecture where students answer questions about demonstrations shown in several movie files. They learn to connect what they have learned about molecules, phases of matter, silicate crystal structures, and igneous rock classification with magma viscosity, and to connect magma viscosity with volcano explosiveness and morphology.
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This is an interactive lecture where students answer questions about demonstrations shown …
This is an interactive lecture where students answer questions about demonstrations shown in several movie files. They learn to connect what they have learned about molecules, phases of matter, silicate crystal structures, and igneous rock classification with magma viscosity, and to connect magma viscosity with volcano explosiveness and morphology.
This activity uses a cultural story to excite kinesthetic homework, nature journaling …
This activity uses a cultural story to excite kinesthetic homework, nature journaling and daily adventure in a child's own back yard or kitchen flower pot.
A one page activity that takes students to several websites related to …
A one page activity that takes students to several websites related to the obesity epidemic. First they can calculate BMI, then learn about national trends in the rate of obesity and finally use a tutorial on insulin and diabetes.
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