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View this post on Instagram Static Spheres: triboelectric effect toy. The red acetate spheres are given an acquired net negative charge, and their mutual repulsion allows them to jump a centimeter or more as charge is manipulated on the PET plastic container. Bringing an object near the container momentarily moves electrons (charge) around creating repulsive forces (sphere v. sphere) and attractive forces (spheres and container) resulting in the observed motions. The red spheres interact with each other without coming into physical contact (as shown in 240 fps slow motion) as like charges repel. Shaking the system a bit allows the red spheres to pick up charge in the first place by colliding with the container. A wonderful and affordable physics toy from @educational_innovations Follow the link in my profile for info on where to get this and other amazing items featured here on @physicsfun #electricity #staticcling #staticelectricity #physics #physicstoy #polystyrene #electromagnetic #electromagnetism #science #coulomb #coulombslaw #science #scienceisawesome A post shared by physicsfun (@physicsfun) on Nov 7, 2019 at 8:51am PST
Static Spheres: triboelectric effect toy. The red acetate spheres are given an acquired net negative charge, and their mutual repulsion allows them to jump a centimeter or more as charge is manipulated on the PET plastic container. Bringing an object near the container momentarily moves electrons (charge) around creating repulsive forces (sphere v. sphere) and attractive forces (spheres and container) resulting in the observed motions. The red spheres interact with each other without coming into physical contact (as shown in 240 fps slow motion) as like charges repel. Shaking the system a bit allows the red spheres to pick up charge in the first place by colliding with the container. A wonderful and affordable physics toy from @educational_innovations Follow the link in my profile for info on where to get this and other amazing items featured here on @physicsfun #electricity #staticcling #staticelectricity #physics #physicstoy #polystyrene #electromagnetic #electromagnetism #science #coulomb #coulombslaw #science #scienceisawesome
A post shared by physicsfun (@physicsfun) on Nov 7, 2019 at 8:51am PST
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Students can plan and conduct an investigation using the Static Spheres in conjunction with other items to describe and classify different kinds of materials by their observable properties.
Students can use the Static Spheres in an investigation to ask questions and predict outcomes about the changes in energy that occur when objects collide.
Students can use the Static Spheres to develop a model to describe the concept that when the arrangement of objects interacting at a distance changes, different amounts of potential energy are stored in the system.
Students can use the Static Spheres to model two objects interacting through static electric fields to illustrate the forces between objects and the changes in energy of the objects due to the interaction.
Students can plan and conduct an investigation about static electricity. Use a variety of materials (like an inflated balloon, assorted fabrics, hair, etc.) to charge the spheres. Students can make observations and predictions about the observable properties. How does the collision of the spheres affect the static charge?
Students can use the Static Spheres to explore static charge. Hold the Static Spheres next to an electrostatic generator—one globe attracts the spheres into a tight group, the other repels them.
* NGSS is a registered trademark of Achieve. Neither Achieve nor the lead states and partners that developed the Next Generation Science Standards were involved in the production of, and do not endorse, this product.
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