This trick from Exploratorium physicist Paul Doherty lets you add together the …
This trick from Exploratorium physicist Paul Doherty lets you add together the bounces of two balls and send one ball flying. When we tried this trick on the Exploratorium's exhibit floor, we gathered a crowd of visitors who wanted to know what we were doing. We explained that we were engaged in serious scientific experimentation related to energy transfer. Some of them may have believed us. If you'd like to go into the physical calculations of this phenomenam, see the related resource "Bouncing Balls" - it's the same activity but with the math explained.
Students learn about kinetic and potential energy, including various types of potential …
Students learn about kinetic and potential energy, including various types of potential energy: chemical, gravitational, elastic and thermal energy. They identify everyday examples of these energy types, as well as the mechanism of corresponding energy transfers. They learn that energy can be neither created nor destroyed and that relationships exist between a moving object's mass and velocity. Further, the concept that energy can be neither created nor destroyed is reinforced, as students see the pervasiveness of energy transfer among its many different forms. A PowerPoint(TM) presentation and post-quiz are provided.
Students are introduced to the definition of energy and the concepts of …
Students are introduced to the definition of energy and the concepts of kinetic energy, potential energy, and energy transfer. This lesson is a broad overview of concepts that are taught in more detail in subsequent lessons and activities in this curricular unit. A PowerPoint(TM) presentation and pre/post quizzes are provided.
Astronaut Randy Bresnik talks about the challenges of working in the raging …
Astronaut Randy Bresnik talks about the challenges of working in the raging heat and freezing cold. Also check out an experiment you can do in your classroom.
Astronaut Randy Bresnik explains the main ways astronauts communicate with people on …
Astronaut Randy Bresnik explains the main ways astronauts communicate with people on Earth. Also learn about how satellites work in a hands-on classroom activity.
This lesson will investigate the difference between longitudinal waves and transverse waves, …
This lesson will investigate the difference between longitudinal waves and transverse waves, and how they are able to transmit energy from one location to another.
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