Investigate collisions on an air hockey table. Set up your own experiments: …
Investigate collisions on an air hockey table. Set up your own experiments: vary the number of discs, masses and initial conditions. Is momentum conserved? Is kinetic energy conserved? Vary the elasticity and see what happens.
Learn how friction causes a material to heat up and melt. Rub …
Learn how friction causes a material to heat up and melt. Rub two objects together and they heat up. When one reaches the melting temperature, particles break free as the material melts away.
Une série de simulations provenant de l’Université de Colorado à Boulder pour …
Une série de simulations provenant de l’Université de Colorado à Boulder pour les 9e – 12e au sujet des sciences.
« Apprenez comment le frottement provoque le chauffage et la fusion d'un matériau. Frottez deux objets ensemble et ils se réchauffent. Lorsqu'un atteint la température de fusion, les particules se libèrent à mesure que le matériau fond. »
Join the ladybug in an exploration of rotational motion. Rotate the merry-go-round …
Join the ladybug in an exploration of rotational motion. Rotate the merry-go-round to change its angle, or choose a constant angular velocity or angular acceleration. Explore how circular motion relates to the bug's x,y position, velocity, and acceleration using vectors or graphs.
Une série de simulations provenant de l’Université de Colorado à Boulder pour …
Une série de simulations provenant de l’Université de Colorado à Boulder pour les 9e – 12e au sujet des sciences.
«Rejoignez la coccinelle dans une exploration du mouvement de rotation. Faites tourner le manège pour changer son angle, ou choisissez une vitesse angulaire constante ou une accélération angulaire. Explorez comment le mouvement circulaire est lié à la position x, y, à la vitesse et à l'accélération de la coccinelle en utilisant des vecteurs ou des graphiques.»
Learn about position, velocity, and acceleration in the "Arena of Pain". Use …
Learn about position, velocity, and acceleration in the "Arena of Pain". Use the green arrow to move the ball. Add more walls to the arena to make the game more difficult. Try to make a goal as fast as you can.
How did scientists figure out the structure of atoms without looking at …
How did scientists figure out the structure of atoms without looking at them? Try out different models by shooting light at the atom. Check how the prediction of the model matches the experimental results.
Une série de simulations provenant de l’Université de Colorado à Boulder pour …
Une série de simulations provenant de l’Université de Colorado à Boulder pour les 9e – 12e au sujet des sciences.
«Comment les scientifiques ont-ils découvert la structure des atomes sans les observer ? Testez différents modèles en envoyant de la lumière sur l'atome. Vérifiez comment la prédiction du modèle correspond aux résultats expérimentaux.»
Build your own system of heavenly bodies and watch the gravitational ballet. …
Build your own system of heavenly bodies and watch the gravitational ballet. With this orbit simulator, you can set initial positions, velocities, and masses of 2, 3, or 4 bodies, and then see them orbit each other.
Explore what makes a reaction happen by colliding atoms and molecules. Design …
Explore what makes a reaction happen by colliding atoms and molecules. Design experiments with different reactions, concentrations, and temperatures. When are reactions reversible? What affects the rate of a reaction?
Learn about the physics of resistance in a wire. Change its resistivity, …
Learn about the physics of resistance in a wire. Change its resistivity, length, and area to see how they affect the wire's resistance. The sizes of the symbols in the equation change along with the diagram of a wire.
For advanced undergraduate students: Observe resonance in a collection of driven, damped …
For advanced undergraduate students: Observe resonance in a collection of driven, damped harmonic oscillators. Vary the driving frequency and amplitude, the damping constant, and the mass and spring constant of each resonator. Notice the long-lived transients when damping is small, and observe the phase change for resonators above and below resonance.
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